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About This Item


Full Description

Describes installation procedures for feeder and plug-in busways and associated accessories rated 600 volts AC or less and 100 amperes or more. It also covers periodic routine maintenance procedures for busways and special procedures used after adverse operating conditions, such as a short-circuit, ground-fault, or immersion in water. NECA 408 is approved as an American National Standard (ANS).

Document History

  1. NECA 408-2015

    Standard for Installing and Maintaining Busways

    • Most Recent
  2. NECA 408-2009


    Recommended Practice for Installing and Maintaining Busways

    • Historical Version