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About This Item

 

Full Description

Consolidates the descriptions and applications, features and test criteria, and design tests of all NEMA-type enclosures (except for rotary-type apparatus) into a single document. Does not cover manufacturing standards for specific products. For manufacturing standards for a specific product, refer to the following standards: Busway-BU 1; Pin and Sleeve-FB 11; Switchboards-PB 2; Switches-KS 1; Traffic Control Systems-TS 1; Transformers-DC 20, TR 1; Arc Welding-EW1, EW3.
 

Document History

  1. ANSI/NEMA 250-2020


    Enclosures for Electrical Equipment (1,000 Volts Maximum)

    • Most Recent
  2. NEMA 250-2018


    Enclosures for Electrical Equipment (1000 Volts Maximum)

    • Historical Version
  3. NEMA 250-2014


    Enclosures for Electrical Equipment (1000 Volts Maximum)

    • Historical Version
  4. NEMA 250-2008

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    Enclosures for Electrical Equipment (1000 Volts Maximum)

    • Historical Version