National Electrical Installation Standards

Standards as High as Your Own


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.

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Code Question of the Daytextbook

  • Monday, October 2, 2023
    CQD - 10/2/23

    Good morning, all. We recently amended a duct bank and some underground wiring that was discovered to be using PVC conduit Types EB-20 and DB-120, which are not UL listed. However, the DB-120 does have "NEMA TC-8" stamped on the exterior. Does it meet Code to reuse these conduits? All the best, Cristian Sislater

  • Friday, September 29, 2023
    CQD - 9/29/23
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