eep April 11, 2025 NEC 500-590 NEC Quizzes Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 0% Article 500-590 Part07 This quiz consists of 50 carefully selected questions covering NEC Articles 500 through 590, which provide essential guidelines for hazardous locations (Article 500), special occupancies (Article 525), and temporary installations (Article 590). These sections of the National Electrical Code focus on safety, classification of hazardous areas, material requirements, and proper installation practices for environments with heightened risks. The randomly generated questions ensure a thorough assessment of your understanding, reinforcing key principles related to explosive atmospheres, grounding requirements, temporary wiring regulations, and specific occupancy considerations. Some topics may reappear in different contexts to strengthen comprehension and application. Your feedback is invaluable! If you notice any discrepancies or have suggestions for improvement, please report them. Your insights help maintain the accuracy and effectiveness of this learning tool. Consider the NEC regulations regarding the sealing of conduits for safety in motor fuel dispensers. 1 / 50 A listed seal for motor fuel dispensers shall be provided in each conduit run ___________. a. entering a dispenser b. a or b c. leaving a dispenser d. none of these That’s not correct. Remember, the NEC specifies that seals are required for conduits entering and leaving motor fuel dispensers. Correct! A listed seal for motor fuel dispensers is required in each conduit run entering or leaving a dispenser. Great job! According to NEC Article 514.6, a listed seal for motor fuel dispensers must be provided in each conduit run entering a dispenser or leaving a dispenser. Therefore, the correct answer is a or b, as sealing is required for both conditions to prevent the ingress of flammable vapors. Think about the various locations where GFCI protection is required for electrical safety in mobile homes. 2 / 50 GFCI protection in a mobile home shall be provided for ______. a. receptacles within 6 ft of a wet bar sink, dishwasher outlets, and where installed to serve countertop surfaces b. receptacle outlets installed outdoors and in compartments accessible from outside c. all of these d. all receptacles in bathrooms including receptacles in luminaires That’s not correct. Remember, GFCI protection is required in multiple areas for safety in mobile homes. Correct! GFCI protection in a mobile home is required for all specified receptacles to ensure safety. Great job! According to NEC Article 550.13, GFCI protection in a mobile home must be provided for all of these conditions: receptacle outlets installed outdoors, receptacles in compartments accessible from outside, receptacles within 6 feet of a wet bar sink, dishwasher outlets, and all receptacles in bathrooms, including those in luminaires. This comprehensive approach ensures safety in areas where water may come into contact with electrical systems. Consider the type of care that is generally provided in rooms designated for basic care in health care facilities. 3 / 50 Spaces in health care facilities, formerly known as basic care rooms [(spaces)], are typically where ______ medical or dental care, treatment, or examinations are performed. a. basic b. invasive c. none of these d. emergency That’s not correct. Remember, the rooms referred to as basic care spaces are designated for a specific type of care. Correct! Basic care rooms in health care facilities are typically where basic medical or dental care, treatment, or examinations are performed. Great job! According to NEC Article 517.2, spaces in health care facilities that were formerly known as basic care rooms are typically where basic medical or dental care, treatment, or examinations are performed. This classification is essential for ensuring that the appropriate safety and operational standards are maintained. Consider the minimum number of residents required for a facility to be classified as a nursing home. 4 / 50 A nursing home is a building or portion of a building used for the housing and nursing care, on a 24-hour basis, of ______ or more persons who, because of mental or physical incapacity, might be unable to provide for their own needs and safety without the assistance of another person. a. two b. five c. four d. three That’s not correct. Remember, the definition of a nursing home includes a specific minimum number of residents. Correct! A nursing home is defined as a facility that provides housing and nursing care for four or more persons who require assistance. Great job! According to NEC Article 517.2, a nursing home is defined as a building or portion of a building used for the housing and nursing care of four or more persons on a 24-hour basis who, due to mental or physical incapacity, are unable to provide for their own needs and safety without assistance. This classification is essential for ensuring appropriate regulations and safety measures are in place. Consider the types of conduit that are suitable for underground installations in commercial environments. 5 / 50 Underground wiring in a commercial garage shall be installed in ______. a. intermediate metal conduit b. threaded rigid metal conduit c. none of these d. a or b That’s not correct. Remember, the NEC specifies that underground wiring in commercial garages must be installed in specific types of conduit. Correct! Underground wiring in a commercial garage shall be installed in either threaded rigid metal conduit or intermediate metal conduit. Great job! According to NEC Article 511.3, underground wiring in a commercial garage must be installed in either threaded rigid metal conduit or intermediate metal conduit. Both types of conduit provide the necessary protection for electrical wiring in potentially hazardous locations. Consider the types of areas that are designated specifically for patient care versus those used for administrative or communal purposes. 6 / 50 The patient care space of a health care facility does not typically include business offices, corridors, lounges, day rooms, dining rooms, or similar areas. a. True b. False That’s not correct. Remember, patient care spaces are designated for direct patient care and do not include administrative or communal areas. Correct! The patient care space of a health care facility does not typically include business offices, corridors, lounges, day rooms, or dining rooms. Great job! According to NEC Article 517.2, the patient care space of a health care facility does not typically include business offices, corridors, lounges, day rooms, dining rooms, or similar areas. These spaces are not intended for direct patient care, which is why the statement is true. Consider the various activities that occur in areas designated for patient care. 7 / 50 The “patient care space” is any space within a health care facility where patients are intended to be ______. a. examined b. a or b c. examined d. registered That’s not correct. Remember, the definition of patient care space includes areas where patients are examined and treated. Correct! A patient care space includes any area where patients are intended to be examined or treated. Great job! According to NEC Article 517.2, the “patient care space” is defined as any space within a health care facility where patients are intended to be examined or treated. Therefore, both a (examined) and b (treated) are correct, making a or b the appropriate answer. Think about the types of patient care spaces that fall under the category of general care. 8 / 50 Spaces in health care facilities were formerly known as general care rooms [(spaces)] and include such spaces as ______. a. inpatient bedrooms b. in vitro fertilization rooms and procedural rooms c. all of these d. inpatient bedrooms That’s not correct. Remember, general care spaces encompass various types of patient care areas. Correct! Spaces formerly known as general care rooms include inpatient bedrooms, dialysis rooms, in vitro fertilization rooms, and procedural rooms. Great job! According to NEC Article 517.2, spaces that were formerly known as general care rooms in health care facilities include all of these: inpatient bedrooms, dialysis rooms, in vitro fertilization rooms, and procedural rooms. This classification is important for understanding the regulatory requirements for these areas. Think about the safety requirements for patrons using unattended self-service fuel dispensing facilities. 9 / 50 The devices or disconnects for unattended self-service motor fuel dispensing facilities shall be readily accessible to patrons, and at least ______ additional device(s) or disconnect(s) shall be readily accessible to each group of dispensing devices on an individual island. a. three b. one c. four d. two That’s not correct. Remember, the NEC specifies a minimum number of additional devices or disconnects that must be accessible at fuel dispensing facilities. Correct! At least one additional device or disconnect must be readily accessible to each group of dispensing devices on an individual island in unattended self-service motor fuel dispensing facilities. Great job! According to NEC Article 514.11, for unattended self-service motor fuel dispensing facilities, there must be at least one additional device or disconnect readily accessible to each group of dispensing devices on an individual island. This ensures that patrons can access safety devices easily in case of an emergency. Consider the proper terminology used in the NEC to describe the marking and connection requirements for grounding conductors. 10 / 50 In health care facilities, the insulated grounding conductor required in 517.13(B)(1) shall be clearly ______ along its entire length by green insulation, with no yellow stripes, and shall not be connected to the grounding terminals of isolated ground receptacles but shall be connected to the box or enclosure indicated in 517.13(B)(2) and to noncurrent-carrying conductive surfaces of fixed electrical equipment indicated in 517.13(B)(3). a. labeled b. identified c. approved d. listed That’s not correct. Remember, the NEC specifies the requirement for clear identification of insulated grounding conductors in health care facilities. Correct! The insulated grounding conductor must be clearly identified with green insulation without yellow stripes, as specified in the NEC. Great job! According to NEC Article 517.13, the insulated grounding conductor required in 517.13(B)(1) must be clearly identified along its entire length with green insulation, with no yellow stripes. It is important to note that this conductor should not be connected to the grounding terminals of isolated ground receptacles; instead, it must be connected to the designated box or enclosure and to noncurrent-carrying conductive surfaces of fixed electrical equipment as outlined in the NEC. Consider the different types of care that fall under the jurisdiction of health care facility regulations. 11 / 50 The requirements of Article 517 apply to buildings or portions of buildings, or mobile enclosures in which human medical, dental, ______, or surgical care are provided. a. obstetrical b. psychiatric c. all of these d. nursing That’s not correct. Remember, Article 517 encompasses a wide range of care types provided in health care facilities. Correct! The requirements of Article 517 apply to all these types of care provided in health care facilities. Great job! According to NEC Article 517, the requirements apply to buildings or portions of buildings, or mobile enclosures in which human medical, dental, psychiatric, nursing, or obstetrical care are provided. Therefore, the correct answer is all of these, as all types of care mentioned are covered by Article 517. Consider the height above the floor that defines the boundaries of hazardous locations in unventilated areas. 12 / 50 For each floor area inside a major repair garage where ventilation is not provided and Class I liquids or gaseous fuels are not transferred or dispensed, the entire area up to a level of ______ in. above the floor is considered to be a Class I, Division 2 location. a. 6 b. 24 c. 12 d. 18 That’s not correct. Remember, the NEC specifies a specific height for Class I, Division 2 locations in unventilated areas of major repair garages. Correct! The entire area up to a level of 18 inches above the floor in unventilated major repair garages is classified as a Class I, Division 2 location. Great job! According to NEC Article 511.3, in major repair garages where ventilation is not provided and Class I liquids or gaseous fuels are not transferred or dispensed, the entire area up to a level of 18 inches above the floor is considered a Class I, Division 2 location. This classification helps ensure safety in environments where flammable materials could accumulate. Consider the minimum number of inpatients required for a facility to be classified as a hospital. 13 / 50 A hospital is a building or portion thereof used for the medical, psychiatric, obstetrical, or surgical care, on a 24-hour basis, of ______ or more inpatients. a. four b. five c. two d. three That’s not correct. Remember, the definition of a hospital includes a specific minimum number of inpatients. Correct! A hospital is defined as a facility that provides care for four or more inpatients on a 24-hour basis. Great job! According to NEC Article 517.2, a hospital is defined as a building or portion thereof used for the medical, psychiatric, obstetrical, or surgical care of four or more inpatients on a 24-hour basis. This definition is important for establishing the regulatory framework for hospitals. Consider the different categories of patient care spaces and their associated risks in a health care environment. 14 / 50 The “Basic Care (Category ___) Space” of a patient care space in a health care facility is a space in which failure of equipment or a system is not likely to cause injury to the patients, staff, or visitors but can cause patient discomfort. a. 3 b. 1 c. 4 d. 2 That’s not correct. Remember, the category associated with basic care spaces relates to the level of risk involved. Correct! The “Basic Care (Category 3) Space” is designated for areas where equipment failure may cause discomfort but not injury. Great job! According to NEC Article 517.2, the “Basic Care (Category 3) Space” is defined as a patient care space in which the failure of equipment or a system is not likely to cause injury to patients, staff, or visitors, but can cause discomfort to patients. This classification is important for establishing safety standards and ensuring proper equipment maintenance. Consider the NEC articles that deal with temporary installations and their specific applications. 15 / 50 Article ______ covers the installation of portable wiring and equipment for carnivals, circuses, fairs, and similar functions. a. 590 b. all of these c. 518 d. 525 That’s not correct. Remember, there is a specific article in the NEC that addresses the requirements for portable wiring at temporary events. Correct! Article 525 covers the installation of portable wiring and equipment for carnivals, circuses, fairs, and similar functions. Great job! According to NEC Article 525, this section specifically covers the installation of portable wiring and equipment for carnivals, circuses, fairs, and similar functions. This ensures that temporary electrical installations are safe and comply with regulations. Consider the various conduit types that are permissible for underground installations in relation to motor fuel dispensers. 16 / 50 Underground wiring to motor fuel dispensers shall be installed in ______. a. PVC conduit, Type RTRC conduit, and HDPE conduit when buried under not less than 2 ft of cover b. any of these c. threaded rigid metal conduit d. threaded steel IMC That’s not correct. Remember, multiple types of conduit can be used for underground wiring to motor fuel dispensers. Correct! Underground wiring to motor fuel dispensers can be installed in any of the specified conduit types. Great job! According to NEC Article 514.6, underground wiring to motor fuel dispensers may be installed in any of these conduit types: threaded rigid metal conduit, threaded steel intermediate metal conduit, or PVC conduit, Type RTRC conduit, and HDPE conduit, provided they are buried under not less than 2 feet of cover. This flexibility ensures compliance with safety standards while accommodating different installation conditions. Consider the height specification that allows for a different grounding return path in patient care settings. 17 / 50 In patient care spaces, luminaires more than ______ ft above the floor and switches located outside of the patient care vicinity shall be permitted to be connected to an equipment grounding return path complying with 517.13(A) or (B). a. 8 b. 7 3/4 c. 7 d. 7 1/2 That’s not correct. Remember, the NEC specifies a specific height above the floor for luminaires to comply with different grounding requirements. Correct! Luminaires more than 7 1/2 feet above the floor and switches outside the patient care vicinity can connect to a compliant grounding return path. Great job! According to NEC Article 517.13, in patient care spaces, luminaires that are more than 7 1/2 feet above the floor and switches located outside of the patient care vicinity may be connected to an equipment grounding return path that complies with the requirements of sections 517.13(A) or (B). This allows for flexibility in the installation of electrical components in these critical areas. Consider the impact of equipment or system failure in a general care setting within a health care facility. 18 / 50 The “General Care (Category 2) Space” of patient care spaces in health care facilities are spaces in which failure of equipment or a system is likely to cause ______ injury to patients, staff, or visitors. a. minor b. major c. catastrophic d. none of these That’s not correct. Remember, the General Care spaces are associated with a specific level of risk regarding equipment failure. Correct! The “General Care (Category 2) Space” is where failure of equipment or a system is likely to cause minor injury. Great job! According to NEC Article 517.2, the “General Care (Category 2) Space” refers to spaces in which the failure of equipment or a system is likely to cause minor injury to patients, staff, or visitors. This classification is essential for establishing safety protocols and ensuring proper equipment maintenance. Consider the specific type of receptacle that has requirements related to patient care spaces. 19 / 50 In health care facilities, ______ ground receptacle(s) installed in patient care spaces outside of a patient care vicinity(s) shall comply with 517.16(B)(1) and (2). a. all of these b. AFCI protected c. isolated d. GFCI protected That’s not correct. Remember, the question specifically pertains to the type of receptacle required to comply with the NEC in patient care areas. Correct! Isolated ground receptacles installed outside of a patient care vicinity must comply with the specified NEC requirements. Great job! According to NEC Article 517.16, isolated ground receptacles installed in patient care spaces outside of a patient care vicinity must comply with sections 517.16(B)(1) and (2). This ensures that these receptacles meet the necessary safety and grounding standards required in health care facilities. Think about the definitions used in the NEC for structures that can serve as dwellings and their mobility features. 20 / 50 A ______ is a structure transportable in one or more sections that is built on a permanent chassis and designed to be used as a dwelling, with or without a permanent foundation, whether or not connected to the utilities, and includes plumbing, heating, air conditioning, and electrical systems contained therein. a. mobile home b. dwelling unit c. manufactured home d. manufactured or mobile home That’s not correct. Remember, the definition encompasses both manufactured and mobile homes. Correct! A structure that fits the description is called a manufactured or mobile home. Great job! According to NEC Article 550, a manufactured or mobile home is defined as a structure that is transportable in one or more sections, built on a permanent chassis, and designed to be used as a dwelling. This definition encompasses homes that may or may not have a permanent foundation and includes essential systems like plumbing, heating, air conditioning, and electrical systems. Think about the terminology used in the NEC to describe how specific electrical conductors must be marked. 21 / 50 In health care facilities, the equipment grounding conductor connected to the grounding terminals of isolated ground receptacles in patient care spaces shall be clearly ______ along the equipment grounding conductor’s entire length by green insulation with one or more yellow stripes. a. identified b. listed c. labeled d. approved That’s not correct. Remember, the NEC specifies the requirement for clear identification of grounding conductors in patient care spaces. Correct! The equipment grounding conductor for isolated ground receptacles in patient care spaces must be clearly identified with the specified insulation. Great job! According to NEC Article 517.13, the equipment grounding conductor connected to the grounding terminals of isolated ground receptacles in patient care spaces must be clearly identified along its entire length by using green insulation with one or more yellow stripes. This identification is crucial for ensuring safety and proper maintenance in health care environments. Think about the terminology used in health care facilities and how it has evolved over time. 22 / 50 Spaces in health care facilities were formerly known as support rooms [(spaces)]. a. False b. True That’s not correct. Remember, support rooms in health care facilities are indeed referred to in the context of past terminology. Correct! Spaces in health care facilities were formerly known as support rooms. Great job! According to NEC Article 517.2, the statement is true; spaces in health care facilities were indeed formerly known as support rooms. This terminology is important for understanding the classification and function of different areas within health care facilities. Consider the NEC classifications that apply to unventilated areas in major repair garages. 23 / 50 In major repair garages where ventilation is not provided, any pit or depression below floor level shall be a Class I, ______ location. a. a and b b. Division 2 c. Division 1 d. a or b That’s not correct. Remember, the NEC specifies a particular division for unventilated pits in major repair garages. Correct! Any pit or depression below floor level in major repair garages without ventilation is classified as a Class I, Division 1 location. Great job! According to NEC Article 511.3, in major repair garages where ventilation is not provided, any pit or depression below floor level shall be classified as a Class I, Division 1 location. This classification is important for ensuring safety in areas where flammable liquids and vapors may accumulate. Consider the regulations surrounding the use of grounding receptacles specifically in patient care environments. 24 / 50 In health care facilities, isolated grounding receptacles shall be installed in a patient care vicinity. a. False b. True That’s not correct. Remember, isolated grounding receptacles have specific restrictions regarding their installation in patient care areas. Correct! Isolated grounding receptacles shall not be installed in a patient care vicinity within health care facilities. Great job! According to NEC Article 517.13, isolated grounding receptacles are not permitted to be installed in a patient care vicinity due to safety concerns and the need for reliable grounding paths. Therefore, the statement is false. Consider how the presence or absence of Class I liquids or gaseous fuels and the adequacy of ventilation affect the classification of a location. 25 / 50 Where Class I liquids or gaseous fuels will not be transferred in a minor repair garage, such location is considered to be a(n) ______ location, provided the entire floor area has mechanical ventilation providing a minimum of four air changes per hour or one cubic foot per minute of exchanged air for each square foot of floor area. a. Class II, Division 1 b. Class I, Division 2 c. Class I, Division 1 d. unclassified That’s not correct. Remember, the absence of transferred Class I liquids or gaseous fuels with adequate ventilation results in an unclassified location. Correct! Where Class I liquids or gaseous fuels will not be transferred in a properly ventilated minor repair garage, the location is considered unclassified. Great job! According to NEC Article 511.3, where Class I liquids or gaseous fuels will not be transferred in a minor repair garage, and the entire floor area has adequate mechanical ventilation, such a location is considered unclassified. This means that as long as the conditions for ventilation are met, the risks associated with flammable materials are minimized. Consider the types of responsibilities associated with the management of a health care facility. 26 / 50 The person or persons who have the overall ______ responsibility for the operation of a health care facility is known as the “Governing Body”. a. financial b. moral c. legal d. all of these That’s not correct. Remember, the overall responsibility of the Governing Body is specifically defined in terms of legal obligations. Correct! The person or persons who have the overall legal responsibility for the operation of a health care facility is known as the “Governing Body.” Great job! According to NEC Article 517, the “Governing Body” of a health care facility has the overall legal responsibility for its operation. This includes ensuring compliance with regulations and standards necessary for safe and effective health care delivery. Consider the NEC regulations regarding cable installation and securing methods in agricultural environments. 27 / 50 All cables installed in agricultural buildings shall be secured within ______ im. of each cabinet, box, or fitting. a. 18 b. 8 c. 24 d. 12 That’s not correct. Remember, the NEC specifies a particular distance for securing cables near cabinets and fittings in agricultural settings. Correct! Cables in agricultural buildings must be secured within 8 inches of each cabinet, box, or fitting. Great job! According to NEC Article 547.10, all cables installed in agricultural buildings must be secured within 8 inches of each cabinet, box, or fitting. This requirement helps ensure that cables are properly managed and protected from damage. Consider the different types of markings and certifications required for equipment used in portable applications. 28 / 50 Where GFCI protection at carnivals, circuses, fairs, and similar events is provided through the use of GFCI receptacles, and the branch circuits supplying receptacles utilize flexible cord, the GFCI protection shall be ______ for portable use. a. identified b. listed c. all of these d. labeled That’s not correct. Remember, GFCI protection for portable use must meet several requirements as specified in the NEC. Correct! GFCI protection for portable use at temporary events must be listed, labeled, and identified. Great job! According to NEC Article 525.27, where GFCI protection is provided through GFCI receptacles at temporary events, and branch circuits utilize flexible cord, the GFCI protection must be all of these: listed, labeled, and identified for portable use. This ensures that the equipment meets safety standards and is appropriate for its application. Consider the position of sealing fittings in relation to the conduit as it exits the ground. 29 / 50 The sealing fitting or listed explosionproof reducer at the seal for motor fuel dispensers shall be the ______ fitting after the conduit emerges from the earth or concrete. a. second b. third c. first d. fourth That’s not correct. Remember, the NEC specifies that the sealing fitting must be the first fitting after the conduit comes out of the ground. Correct! The sealing fitting or listed explosionproof reducer at the seal for motor fuel dispensers must be the first fitting after the conduit emerges from the earth or concrete. Great job! According to NEC Article 514.6, the sealing fitting or listed explosionproof reducer at the seal for motor fuel dispensers must be the first fitting after the conduit emerges from the earth or concrete. This requirement is crucial for preventing the ingress of flammable vapors into the conduit system. Consider the definitions provided in the NEC regarding different types of mobile structures. 30 / 50 For the purpose of this Code and unless otherwise indicated, the term “mobile home” includes manufactured homes and excludes park trailers defined in Article 552.4. a. False b. True That’s not correct. Remember, the definition provided in the Code specifically addresses mobile homes and excludes park trailers. Correct! The term “mobile home” includes manufactured homes and excludes park trailers as defined in the NEC. Great job! According to NEC Article 550, the statement is true; the term “mobile home” is defined to include manufactured homes while explicitly excluding park trailers as defined in Article 552.4. This distinction is important for understanding the application of the Code to different types of dwellings. Consider the classification of pits in minor repair garages based on ventilation and the types of operations performed. 31 / 50 Any pit for which ventilation is not provided below a minor repair garage floor level of a lubrication or service room is considered to be a Class I, ______ location. a. Division 1 b. a or b c. Division 2 d. a and b That’s not correct. Remember, the NEC specifies that unventilated pits in minor repair garages are classified as Division 2 locations. Correct! Any unventilated pit below a minor repair garage floor level in a lubrication or service room is considered a Class I, Division 2 location. Great job! According to NEC Article 511.3, any pit for which ventilation is not provided below a minor repair garage floor level of a lubrication or service room is classified as a Class I, Division 2 location. This classification is important for ensuring safety in areas where flammable liquids or vapors may be present. Consider the importance of accessibility for safety devices in fuel dispensing operations. 32 / 50 The devices or disconnects for attended self-service motor fuel dispensing facilities shall be ______ to the attendant. a. adjacent b. available c. readily accessible d. accessible That’s not correct. Remember, the NEC specifies that these devices must be easily reachable by the attendant for safety purposes. Correct! The devices or disconnects for attended self-service motor fuel dispensing facilities must be readily accessible to the attendant. Great job! According to NEC Article 514.11, the devices or disconnects for attended self-service motor fuel dispensing facilities must be readily accessible to the attendant. This requirement ensures that the attendant can quickly reach the devices in case of an emergency, enhancing safety at the dispensing facility. Consider the terms used to describe areas where patient care takes place within health care facilities. 33 / 50 A patient ______ is the location of an inpatient sleeping bed, or the bed or procedure table of a critical care space. a. bed location b. none of these c. a or b d. care area That’s not correct. Remember, the term used for the location of patient beds and procedure tables can be defined by either of the specified terms. Correct! A patient bed location refers to the area of an inpatient sleeping bed or procedure table, and both terms are acceptable. Great job! According to NEC Article 517.2, a patient bed location refers to the location of an inpatient sleeping bed, or the bed or procedure table of a critical care space. Therefore, both bed location and care area are acceptable terms, making a or b the correct answer. Consider the safety measures required for electrical systems in areas where flammable liquids are dispensed. 34 / 50 Fuel dispensing systems shall be provided with one or more clearly identified emergency shutoff device(s) or electrical disconnects installed in approved locations and shall disconnect power to all remote pumps serving the dispensing devices; associated power, control, and signal circuits; and to all other electrical equipment in the hazardous (classified) locations surrounding the fuel dispensing devices. a. True b. False That’s not correct. Remember, the NEC mandates emergency shutoff devices for safety in fuel dispensing systems. Correct! Fuel dispensing systems must have clearly identified emergency shutoff devices or electrical disconnects to enhance safety in hazardous locations. Great job! According to NEC Article 514.11, fuel dispensing systems must be equipped with one or more clearly identified emergency shutoff devices or electrical disconnects that are installed in approved locations. These devices must disconnect power to all remote pumps, associated power, control, and signal circuits, as well as all other electrical equipment in the hazardous (classified) locations surrounding the fuel dispensing devices. This requirement is crucial for ensuring safety in environments with flammable liquids. Consider the comprehensive definition that encompasses the types of care provided in medical and dental offices. 35 / 50 A “Medical Office (Dental Office)” is a building or part thereof in which ______. a. examinations and minor treatments or procedures are performed under the continuous supervision of a medical or dental professional b. overnight stays for patients or 24-hour operation are not provided c. only sedation or local anesthesia is involved and treatment or procedures do not render the patient incapable of self-preservation under emergency conditions d. all of these That’s not correct. Remember, the definition of a medical or dental office includes multiple aspects of care and operation. Correct! A “Medical Office (Dental Office)” encompasses all of these elements related to patient care and facility operation. Great job! According to NEC Article 517.2, a “Medical Office (Dental Office)” is defined as a building or part thereof in which all of these conditions apply: examinations and minor treatments or procedures are performed under the supervision of a medical or dental professional, only sedation or local anesthesia is used without rendering the patient incapable of self-preservation, and overnight stays or 24-hour operations are not provided. This definition is important for understanding the regulatory requirements for such facilities. Consider the classification of liquids and gases as defined by the NEC in relation to hazardous areas. 36 / 50 In major and minor repair garages, where vehicles using Class ____ liquids or heavier-than-air gaseous fuels (such as LPG) are repaired, hazardous area classification guidance is found in Table 511.3(C). a. all of these b. III c. I d. II That’s not correct. Remember, the NEC specifies a specific class for liquids and gases relevant to hazardous area classifications in garages. Correct! In major and minor repair garages, hazardous area classification guidance is applicable for vehicles using Class I liquids or heavier-than-air gaseous fuels. Great job! According to NEC Table 511.3(C), in major and minor repair garages, where vehicles using Class I liquids or heavier-than-air gaseous fuels (such as LPG) are repaired, hazardous area classification guidance is provided. This classification is crucial for ensuring safety in environments where flammable materials are present. Consider the maximum allowable ground-fault protection level specified for electrical systems in marine environments. 37 / 50 The overcurrent protective devices that supply marinas, boatyards, and commercial and noncommercial docking facilities shall have ground-fault protection not exceeding ______. a. 6 mA b. 20 mA c. 30 mA d. 100 mA That’s not correct. Remember, the NEC specifies a maximum level of ground-fault protection for electrical systems in marine environments. Correct! Overcurrent protective devices in marinas and docking facilities must have ground-fault protection not exceeding 30 mA. Great job! According to NEC Article 553.4, the overcurrent protective devices that supply marinas, boatyards, and commercial and noncommercial docking facilities must have ground-fault protection not exceeding 30 mA. This limit is set to enhance safety and protect against electrical shock hazards in wet locations. The devices or disconnects for attended self-service motor fuel dispensing facilities shall be __ to the 38 / 50 ______ for fuel dispensing systems shall disconnect power to all dispensing devices; to all remote pumps serving the dispensing devices; to all associated power, control, and signal circuits; and to all other electrical equipment in the hazardous (classified) locations surrounding the fuel dispensing devices. a. Electrical disconnects b. a or b c. none of these d. Emergency shutoff devices That’s not correct. Remember, both emergency shutoff devices and electrical disconnects serve the purpose of disconnecting power in fuel dispensing systems. Correct! Emergency shutoff devices or electrical disconnects must disconnect power to all associated equipment in hazardous areas surrounding fuel dispensing systems. Great job! According to NEC Article 514.11, both emergency shutoff devices and electrical disconnects for fuel dispensing systems must disconnect power to all dispensing devices, remote pumps, associated power, control, and signal circuits, as well as other electrical equipment in hazardous locations surrounding the dispensing devices. Thus, the correct answer is a or b. Consider the classification that involves minimal risk to patient care regarding equipment failure. 39 / 50 The patient care space of a health care facility known as a “______ Space” is a space in which failure of equipment or a system is not likely to have a physical impact on patient care. a. Support (Category 4) b. General Care (Category 2) c. Critical Care (Category 1) d. Basic Care (Category 3) That’s not correct. Remember, the space classification that indicates minimal physical impact from equipment failure is specifically defined as Support (Category 4). Correct! The patient care space known as a “Support (Category 4) Space” does not likely have a physical impact on patient care if equipment fails. Great job! According to NEC Article 517.2, the patient care space known as a “Support (Category 4) Space” is designed such that failure of equipment or a system is not likely to have a physical impact on patient care. This classification is important for understanding the levels of risk associated with different patient care environments. Consider the terminology used to define areas within health care facilities that require specific grounding practices. 40 / 50 In health care facilities, the grounding terminals of isolated ground receptacles installed in branch circuits for patient care ______ shall be connected to an insulated equipment grounding conductor in accordance with 250.146(D) in addition to the equipment grounding conductor path required in 517.13(A). a. spaces b. vicinities c. a or b d. none of these That’s not correct. Remember, the question refers specifically to the areas designated for patient care where these receptacles are installed. Correct! The grounding terminals of isolated ground receptacles for patient care spaces must connect to an insulated equipment grounding conductor as specified by the NEC. Great job! According to NEC Articles 517.13 and 250.146(D), the grounding terminals of isolated ground receptacles installed in branch circuits for patient care spaces must be connected to an insulated equipment grounding conductor. This connection is in addition to the equipment grounding conductor path required in 517.13(A), ensuring safety and compliance in health care settings. Consider the vertical distance from the ceiling that affects the hazardous area classification in garages with gaseous fueled vehicles. 41 / 50 In major repair garages where lighter-than-air gaseous fueled vehicles, such as vehicles fueled by natural gas or hydrogen, are repaired or stored, the area within _____ in. of the ceiling is classified as Class I, Division 2 unless otherwise noted. a. 24 b. 18 c. 6 d. 12 That’s not correct. Remember, the NEC specifies a specific height for Class I, Division 2 classification in areas with lighter-than-air gaseous fuels. Correct! The area within 18 inches of the ceiling in garages with lighter-than-air gaseous fueled vehicles is classified as Class I, Division 2. Great job! Consider the vertical distance from the ceiling that affects the hazardous area classification in garages with gaseous fueled vehicles.According to NEC Article 511.3, in major repair garages where lighter-than-air gaseous fueled vehicles (such as those fueled by natural gas or hydrogen) are repaired or stored, the area within 18 inches of the ceiling is classified as Class I, Division 2 unless otherwise noted. This classification is crucial for maintaining safety in areas with potential flammable gas accumulation. Think about the type of care and supervision provided in limited care facilities and their operational hours. 42 / 50 A limited care facility is a building or portion thereof used on a(n) ______ basis for the housing of four or more persons who are incapable of self-preservation because of age; physical limitation due to accident or illness; or mental limitations, mental illness, or chemical dependency. a. temporary b. occasional c. 10 hours a day or less d. 24 hour That’s not correct. Remember, limited care facilities operate on a continuous basis for residents who need assistance. Correct! A limited care facility is used on a 24-hour basis for the housing of individuals who require assistance for self-preservation. Great job! According to NEC Article 517.2, a limited care facility is defined as a building or portion thereof used on a 24-hour basis for the housing of four or more persons who are incapable of self-preservation due to various limitations. This classification is crucial for ensuring appropriate safety measures and regulatory compliance in such facilities. Consider the types of receptacles that have specific grounding requirements in health care facilities. 43 / 50 In patient care spaces, an insulated equipment bonding jumper that directly connects to the equipment grounding conductor is permitted to connect the box and receptacle(s) to the equipment grounding conductor for other than ______ ground receptacles. a. GFCI protected b. AFCI protected c. all of these d. isolated That’s not correct. Remember, there are specific types of receptacles that have different grounding requirements in patient care spaces. Correct! The insulated equipment bonding jumper can connect the box and receptacle(s) to the equipment grounding conductors for all types of receptacles except isolated ground receptacles. Great job! According to NEC Article 517.13, in patient care spaces, an insulated equipment bonding jumper that directly connects to the equipment grounding conductor is permitted to connect the box and receptacle(s) to the equipment grounding conductor for all receptacles other than isolated ground receptacles. Isolated ground receptacles have specific requirements to ensure that they provide proper grounding and isolation from other circuits. Think about the types of procedures and equipment associated with spaces formerly designated as basic care. 44 / 50 Spaces in health care facilities, formerly known as basic care spaces, are typically where patients are intended to be subjected to invasive procedures and connected to line-operated, patient care-related appliances. a. False b. True That’s not correct. Remember, these spaces are specifically designated for invasive procedures and patient care-related appliances. Correct! Spaces formerly known as basic care spaces are where patients undergo invasive procedures and are connected to necessary appliances. Great job! According to NEC Article 517.2, spaces in health care facilities that were formerly known as basic care spaces are indeed designed for patients who are subjected to invasive procedures and connected to line-operated, patient care-related appliances. Therefore, the statement is true. Think about the authority responsible for making decisions about patient care space in health care facilities. 45 / 50 The ______ of the health care facility designates patient care space in accordance with the type of patient care anticipated. a. a and b b. primary care physician c. governing body d. none of these That’s not correct. Remember, the governing body has the authority to designate patient care spaces in health care facilities. Correct! The governing body of the health care facility designates patient care space according to the type of patient care anticipated. Great job! According to NEC Article 517.2, the governing body of the health care facility is responsible for designating patient care space in accordance with the type of patient care anticipated. This includes ensuring that the facility meets the necessary standards and requirements for the care being provided. Consider the activities involving vehicles that would necessitate hazardous area classification guidance. 46 / 50 In major repair garages where vehicles using lighter-than-air gaseous fuels (such as hydrogen and natural gas) are ______, hazardous area classification guidance is found in Table 511.3(B). a. a or b b. stored c. none of these d. repaired That’s not correct. Remember, the NEC specifies that guidance applies to both repair and storage activities involving lighter-than-air gaseous fuels. Correct! Hazardous area classification guidance applies in major repair garages where vehicles using lighter-than-air gaseous fuels are either repaired or stored. Great job! According to NEC Table 511.3(B), in major repair garages where vehicles using lighter-than-air gaseous fuels (such as hydrogen and natural gas) are either repaired or stored, hazardous area classification guidance applies. This classification is important for ensuring safety in environments where flammable gases are present. Consider the NEC regulations regarding the appropriate distance for emergency shutoff devices from dispensing equipment. 47 / 50 Emergency shutoff devices or disconnects for fuel dispensing systems shall be installed in approved locations but not less than ______ ft or more than ______ ft from the fuel dispensing devices that they serve. a. 20, 100 b. 100, 20 c. 20, 30 d. 15, 100 That’s not correct. Remember, the NEC specifies a range of distances for the installation of emergency shutoff devices in relation to fuel dispensing systems. Correct! Emergency shutoff devices or disconnects must be installed not less than 20 feet and not more than 100 feet from the fuel dispensing devices. Great job! According to NEC Article 514.11, emergency shutoff devices or disconnects for fuel dispensing systems must be installed in approved locations and must be located not less than 20 feet and not more than 100 feet from the fuel dispensing devices they serve. This distance is crucial for ensuring that emergency devices are accessible while maintaining safety standards. Consider the NEC requirements for grounding in health care facilities, particularly in areas with patient care. 48 / 50 All branch circuits serving patient care spaces shall be provided with an effective ground-fault current path by installation in a metal raceway system, or a cable having a metallic armor or sheath assembly. The metal raceway system, metallic cable armor, or sheath assembly shall itself qualify as an equipment grounding conductor in accordance with 250.118. a. True b. False That’s not correct. Remember, the NEC mandates specific grounding requirements for branch circuits in patient care spaces. Correct! All branch circuits serving patient care spaces must have an effective ground-fault current path and comply with the NEC grounding requirements. Great job! According to NEC Article 517.13, it is true that all branch circuits serving patient care spaces must be provided with an effective ground-fault current path. This can be achieved by using a metal raceway system or a cable with metallic armor or sheath assembly, which qualifies as an equipment grounding conductor in accordance with NEC 250.118. This requirement is essential for ensuring safety and compliance in patient care areas. Consider the severity of the consequences related to equipment failure in critical care environments. 49 / 50 The “Critical Care (Category 1) Space” of patient care spaces in health care facilities are spaces in which failure of equipment or a system is likely to cause ______ injury or death to patients, staff, or visitors. a. major b. catastrophic c. none of these d. minor That’s not correct. Remember, the critical care spaces are associated with significant risks regarding equipment failure. Correct! In “Critical Care (Category 1) Space,” failure of equipment or a system is likely to cause major injury or death. Great job! According to NEC Article 517.2, the “Critical Care (Category 1) Space” refers to spaces where the failure of equipment or a system is likely to cause major injury or death to patients, staff, or visitors. This classification underscores the critical nature of these areas and the importance of maintaining equipment reliability. Think about the terminology used in the NEC to describe how specific electrical conductors must be marked. 50 / 50 In health care facilities, isolated ground receptacles are typically installed where a reduction of electrical noise (electromagnetic inteterferance) is necessary, and ______ grounding paths are to be avoided. a. approved b. identified c. labeled d. listed That’s not correct. Remember, the NEC specifies the requirement for clear identification of grounding conductors in patient care spaces. Correct! The equipment grounding conductor for isolated ground receptacles in patient care spaces must be clearly identified with the specified insulation. Great job! According to NEC Article 517.13, the equipment grounding conductor connected to the grounding terminals of isolated ground receptacles in patient care spaces must be clearly identified along its entire length by using green insulation with one or more yellow stripes. This identification is crucial for ensuring safety and proper maintenance in health care environments. Your score is LinkedIn Facebook Twitter 0% Restart quiz Exit Rate & Review Thank you for taking the time to leave us a review! Your feedback is greatly appreciated and helps us improve our services. Send feedback Leave a Reply Cancel replyYour email address will not be published. Required fields are marked * Comment* Name* Email* Website Save my name, email, and website in this browser for the next time I comment. Post Comment