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About This Item

 

Full Description

This standard describes the installation and maintenance procedures for low-voltage motor control centers (MCCs) rated 600 VAC or less with a horizontal bus rating of 2,500 amperes or less. MCCs may be assembled with factory-installed dry-type transformers and panelboards. The testing and maintenance of such dry-type transformers is addressed in NECA 409, Standard for Installing and Maintaining Dry-Type Transformers (ANSI). The testing and maintenance of such panelboards is addressed in NECA 407, Standard for Installing and Maintaining Panelboards (ANSI).

 

Document History

  1. NECA 402-2020

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    Standard for Installing and Maintaining Motor Control Centers

    • Most Recent
  2. NECA 402-2014


    Standard for Installing and Maintaining Motor Control Centers

    • Historical Version
  3. NECA 402-2007


    Standard for Installing and Maintaining Motor Control Centers

    • Historical Version