NEMA 280

Application Guide for Ground Fault Circuit Interrupters

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Organization: NEMA
Publication Date: 1 January 1990
Status: inactive
Page Count: 39
scope:

This application guide covers ground fault circuit intermpiem (GFCI's) which are intended to provide electrical shock hazard protection from line-to-ground fault currents on grounded circuits of 120, 120D0, 240 volt single phase, 208Y/120 volt, and 240 volt three-phase; two, three, and four-wire supplies.

GFCi's are designated as Class A or Class B in accordance with UL Standard 943 (January 1985), Ground Fault Circuit Intempters.* Unless otherwise indicated, this application guide applies to class A GFCI'S.

Covered in this guide are characteristics of the various types of GFCI's, construction details, markhg data, installation guidelines, field testhg recommendations, and field troubleshooting information.

*Copies are available  from Underwriters Laboratories Inc., 333 Pfingsten Road, Northbrodt, IL 60062

 

Document History

NEMA 280
January 1, 1990
Application Guide for Ground Fault Circuit Interrupters
This application guide covers ground fault circuit intermpiem (GFCI's) which are intended to provide electrical shock hazard protection from line-to-ground fault currents on grounded circuits of 120,...
280
January 1, 1984
APPLICATION GUIDE FOR GROUND FAULT CIRCUIT INTERRUPTERS
A description is not available for this item.

References

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