Standard 943, Edition 5
Red Line
February 23, 2018
UL 943

Standard for Safety for Ground-Fault Circuit-Interrupters

UL Red Line Edition 5 Published Date: February 23, 2018 Last Revision: September 05, 2023

Summary of Topics s0943_5_sum.html

Summary of Topics

This revision of the Standard for Safety for Ground-Fault Circuit-Interrupters, ANSI/UL 943, includes the following changes in requirements:

Expansion of Auto-Monitoring and End of Life Requirements to All Types of GFCIs

Addition of Requirements for Programmable Components

Improving the Auto-Monitoring Function of Permanently Connected Ground-Fault Circuit Interrupters

Back to Standard 943, Edition 5

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