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.

US Electrical Codes & Regulations by State »
Licensing Information by State ».

NEC Adoption by State

Building Codes Assistance Project Energy Code Adoption

Code Question of the Daytextbook

  • Friday, December 6, 2019
    CQD: 12/6/2019

    Re: CQD answer published Tuesday, November 26, 2019 - Flexible Cord Outdoors

    Charlie in the question about using SO cord outside you said that it had to be weather or water resistant. What if it is also exposed to the sun?



  • Thursday, December 5, 2019
    CQD: 12/5/2019
    View Question and Answer

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