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About This Item


Full Description

This standard describes the installation and maintenance procedures for feeder and plug-in busways and accessories rated 600 Volts AC or less, and 100 Amperes or more, installed above ground. It also covers periodic routine maintenance procedures for busway, and special procedures used after adverse operating conditions such as a shortcircuit, ground-fault, or immersion in water.

This publication does not cover lighting busway, trolley busway, cable-bus, or medium-voltage or metal-enclosed busway.

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