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NEMA - AB 4

Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications

active, Most Current
Organization: NEMA
Publication Date: 1 January 2023
Status: active
Page Count: 47

Document History

AB 4
January 1, 2023
Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
A description is not available for this item.
NEMA AB 4
January 1, 2017
Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
NEMA AB 4 sets forth, for use by qualified personnel,1 a number of basic procedures that may be used for the inspection and preventive maintenance of molded case circuit breakers used in industrial...
NEMA AB 4
January 1, 2009
Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
NEMA Standards Publication AB 4 sets forth, for use by qualified personnel1, a number of basic procedures that may be used for the inspection and preventive maintenance of molded case circuit...
NEMA AB 4
January 1, 2003
Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
NEMA Standards Publication AB 4 sets forth, for use by qualified personnel1, a number of basic procedures that may be used for the inspection and preventive maintenance of molded case circuit...
NEMA AB 4
January 1, 2001
Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
A description is not available for this item.
NEMA AB 4
January 1, 1996
Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
A description is not available for this item.
NEMA AB 4
January 1, 1991
GUIDELINES FOR INSPECTION AND PREVENTIVE MAINTENANCE OF MOLDED CASE CIRCUIT BREAKERS USED IN COMMERCIAL AND INDUSTRIAL APPLICATIONS
A description is not available for this item.
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References

This document is referenced by:
PB 2.1 - General Instructions for Proper Handling, Installation, Operation, and Maintenance of Deadfront Distribution Switchboards Rated 1000 Volts or Less
Published by NEMA on January 1, 2023
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...
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