Standard 773A, Edition 6
UL 773A

Nonindustrial Photoelectric Switches for Lighting Control

UL CSDS Proposal Edition 6 Published Date: December 15, 2017 Last Revision: January 16, 2024

Summary of Topics b0773a_6_20171215_sum.html

Subject 773A

Bulletin Dated: December 15, 2017


The following changes in requirements to the Standard for Nonindustrial Photoelectric Switches for Lighting Control, UL 773A, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Add provisions for grounding of Electronic Lighting Control Switches to align UL 773A with NFPA 70, Article 404.22 and 404.9 (c)

2. For Preliminary Review Only: Add Electronic Ballast test information to UL773A as in other UL and CSA standards

3. For Preliminary Review Only: Align UL 773A with NEMA 410 2015

4. For Preliminary Review Only: Add Abbreviation as Alternate Marking for Electronic Ballasts

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