EVSE Day 6 – Electrician Exam Practice

EVSE Day 6

The NFPA 70 is also known as the National Electrical Code (NEC).

1 / 10

Which of the following is NOT addressed by the NFPA 70?

a. Telecommunications wiring standards

b. Decorative Lighting

c. Electrical equipment labeling requirements

d. Fire alarm system installation

Always ensure safety by removing power to the equipment before working.

2 / 10

What is the necessary step before working on an EVSE station?

a. De-energizing

b. Energizing

c. Lifting

d. Grounding

These chargers are often used in commercial and public settings for fast charging.

3 / 10

Which type of EV charger has the highest level of amps?

a. Level 2

b. Level 3

c. Level 1

Ground faults are one of the leading causes of electrical hazards.

4 / 10

Which of the following best defines a ground fault?

a. A surge in electrical current caused by faulty wiring

b. An interruption in the flow of electricity due to an overload

c. A condition where current unintentionally flows to the ground, potentially causing electrical shock or fire

d. A short circuit that occurs when a live wire comes into contact with a grounded surface

Think about how PPE protects against potential arc flash injuries.

5 / 10

Arc flash hazard analysis helps determine appropriate PPE.

a. False

b. True

EVSE systems involve high voltage and current levels.

6 / 10

An energized EVSE carries a fatal amount of electric energy.

a. False

b. True

Arc flash risks can occur at various voltage levels, not just high voltage.

7 / 10

Arc flash hazard analysis is only for high-voltage systems.

a. True

b. False

It’s a widely adopted code used in various applications beyond just residential buildings.

8 / 10

What is the primary purpose of the NFPA 70?

a. To provide guidelines for safe electrical installations in all types of sites

b. To mandate specific electrical equipment brands for commercial buildings

c. To enforce electrical safety protocols in industrial settings only

d. To regulate the installation of electrical equipment in residential buildings only

Arc blasts involve rapid expansion of air, causing significant force.

9 / 10

The hazards resulting from an arc flash/arc blast are heat, shrapnel, intense light, sound, and ________.

a. Pressure

b. Angry workers

c. Body parts

d. Flying tools

Lockout/tagout is a safety measure for preventing accidental energization.

10 / 10

Which of the following does NOT describe lockout/tagout for an EVSE?

a. It is primarily used for securing vehicles during charging

b. It involves tagging equipment with warning labels to indicate it should not be operated

c. It involves disconnecting power sources and locking them in the off position

d. It ensures that electrical maintenance or repair work can be performed safely

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