Outlet and Switch Boxes

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  1. MOST RECENT

    NEMA BI 50021-2024▹

    Drain Openings in Boxes and Conduit Bodies Listed for Damp or Wet Locations

    standard by National Electrical Manufacturers Association, 08/09/2024.

    Languages: English

    👥 Multi-User PDF
  2. MOST RECENT

    NEMA BI 50022-2024▹

    A Brief Comparison of NEMA EN 10250—Enclosures for Electrical Equipment (1000 Volts Maximum) and IEC 62208 Empty enclosures for low-voltage switchgear and controlgear assemblies – General requirements

    standard by National Electrical Manufacturers Association, 10/23/2024 in English, Spanish.

    Languages: English,Spanish

  3. MOST RECENT

    NEMA BI 50023-2024▹

    Enclosure FAQ—IP69 and IP69K-2024

    standard by National Electrical Manufacturers Association, 10/24/2024 in English, Spanish.

    Languages: English,Spanish

  4. MOST RECENT

    NEMA BI 50036-2025▹

    Selection and Installation Guidelines for Electrical Outlet Boxes (Formerly OS-3)

    standard by National Electrical Manufacturers Association, 2025.

    Languages: English

    Historical Editions: NEMA OS 3-2016, NEMA OS 3-2012, NEMA OS 3-2007

    👥 Multi-User PDF
  5. MOST RECENT

    ANSI/NEMA OS 1-2013 (R2020)▹

    Sheet-Steel Outlet Boxes, Device Boxes, Covers and Box Supports

    standard by American National Standards Institute / National Electrical Manufacturers Association, 04/23/2014.

    Languages: English

    Historical Editions: ANSI/NEMA OS 1-2008

    👥 Multi-User PDF
  6. MOST RECENT

    ANSI/NEMA OS 2-2013 (R2020)▹

    Nonmetallic Outlet Boxes, Device Boxes, Covers and Box Supports

    standard by American National Standards Institute / National Electrical Manufacturers Association, 04/23/2014.

    Languages: English

    Historical Editions: ANSI/NEMA OS 2-2008

    👥 Multi-User PDF
  7. HISTORICAL

    NEMA OS 3-2012▹

    This document has been replaced. View the most recent version.

    Selection and Installation Guidelines for Electrical Outlet Boxes

    standard by National Electrical Manufacturers Association, 2012.

    Languages: English

    Historical Editions: NEMA BI 50036-2025, NEMA OS 3-2016, NEMA OS 3-2007

  8. HISTORICAL

    NEMA OS 3-2016▹

    This document has been replaced. View the most recent version.

    Selection and Installation Guidelines for Electrical Outlet Boxes

    standard by National Electrical Manufacturers Association, 2016.

    Languages: English

    Historical Editions: NEMA BI 50036-2025, NEMA OS 3-2012, NEMA OS 3-2007

    👥 Multi-User PDF
  9. MOST RECENT

    NEMA OS 4-2016▹

    Requirements for Air-Sealed Boxes for Electrical and Communication Applications

    standard by National Electrical Manufacturers Association, 04/01/2017.

    Languages: English

    👥 Multi-User PDF
  10. MOST RECENT

    NEMA US G 111-2021▹

    White Paper on Purchasing Specification Guidance for Circuit Breaker Control Cabinets

    standard by National Electrical Manufacturers Association, 2021.

    Languages: English

    👥 Multi-User PDF