Understanding NEC Informative Annex A

Understanding NEC Informative Annex A: Product Safety Standards Informative Annex A serves as a vital reference in the National Electrical Code (NEC), providing a comprehensive list of product safety standards applicable to various electrical installations. It is designed to ensure compliance with the NEC by aligning with tested and certified products for safety and efficiency. […]

Understanding NEC Article 374

Understanding NEC Article 374: Cellular Metal Floor Raceways Introduction NEC Article 374 establishes guidelines for the installation and use of cellular metal floor raceways, which are integrated into the construction of steel-frame buildings. These raceways consist of sheet metal cells that provide a concealed pathway for electrical conductors. They are commonly used in commercial and […]