Standard 943, Edition 5
UL 943

Ground-Fault Circuit-Interrupters

UL CSDS Proposal Edition 5 Published Date: August 25, 2017 Last Revision: September 05, 2023

Summary of Topics b0943_5_20170825_sum.html

Subject 943

Bulletin Dated: August 25, 2017


The following changes in requirements to the Standard for Safety for Ground-Fault Circuit- Interrupters, UL 943, are being proposed:

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

2. Addition of Requirements for Programmable Components

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

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