National Electrical Installation Standards

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OSHA ET&D Partnership 10/20 Hr. Train the Trainer Course scheduled for September is FULL!

Due to high demand, the registration for the September 19, 2022, OSHA ET&D Partnership 10/20 Hr. Train the Trainer course has filled up. Interested parties are encouraged to sign onto the Train the Trainer waiting list as the Partnership works to identify future dates.
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Featured Standards


NECA 303-2019 Standard for Installing Closed-Circuit Television Systems (CCTV)

This standard describes installation procedures for new closed-circuit television (CCTV) system equipment installed for video surveillance and for protection of building interiors, building perimeter, and surrounding property.

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NECA 120-2018 Standard for Installing Armored Cable (Type AC) and Type Metal-Clad (MC) Cable

This standard covers the identification, selection and installation of Type AC and Type MC cables, which are used for electrical wiring for residential, commercial and industrial occupancies.

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State Regulationsusa country shape

Find the major provisions of electrical code, enforcement, and contractor/electrician licensing requirements for each state in the U.S.

US Electrical Codes & Regulations by State »
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NEC Adoption by State

Building Codes Assistance Project Energy Code Adoption

Code Question of the Daytextbook

  • Wednesday, August 17, 2022
    CQD 8/17/22

    Would a laser hair removal room be considered a patient care area, and therefore need hospital-grade receptacles? 

  • Tuesday, August 16, 2022

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