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About This Item


Full Description

This publication covers floor-mounted deadfront switchboards which consist of an enclosure, molded case and low-voltage power circuit breakers, fusible or non-fusible switches, instruments, and metering, monitoring, or control equipment, with associated interconnections and supporting structures. These units are used in the distribution of electricity at:

a. 600 volts and less
b. 6000 amperes or less

Document History

  1. ANSI/NEMA PB 2.1-2013


    General Instructions for Proper Installation, Operation, and Maintenance of Deadfront Distribution Switchboards Rated 600 Volts or Less

    • Most Recent
  2. ANSI/NEMA PB 2.1-2007

    General Instructions for Proper Handling, Installation, Operation and Maintenance of Deadfront Distribution Switchboards Rated 600 V or Less

    • Historical Version