National Electrical Installation Standards

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As we continue to take precautions regarding COVID-19, it’s important to also protect ourselves from influenza (flu) virus.
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Message from OSHA for Hurricane Delta

Thank you for your work to assist communities in the path of Hurricane Delta. Conditions in Louisiana and Southeast Texas may become hazardous for workers who will be restoring power, and performing cleanup and recovery operations. OSHA wants you to stay safe while helping others. Responding to emergencies like this during a pandemic makes worker safety even more challenging. Please take all necessary precautions to protect your crews from the spread of COVID-19.
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Featured Standards

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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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Building Codes Assistance Project Energy Code Adoption

Code Question of the Daytextbook

  • Wednesday, October 28, 2020
    CQD 10/28/20

    Greetings,

    Is two poles GFCI circuit interrupter required for a 240volt Pool Heater? 

    Thank you,

    Dick McCarthy

  • Tuesday, October 27, 2020

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