UL LLC Gets Nod for More Testing Chores
Published Date: 8/21/2026
Notice
Summary
In this notice, OSHA announces the final decision to expand the scope of recognition for UL LLC, as a Nationally Recognized Testing Laboratory (NRTL). Additionally, OSHA announces the final decision to add one test standard to the NRTL Program's List of Appropriate Test Standards.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
UL's NRTL Recognition Expanded
OSHA expanded UL LLC's Nationally Recognized Testing Laboratory (NRTL) recognition effective August 21, 2026 to include three test standards: UL 1004-9, UL 979, and UL 2683. This lets employers use UL-approved testing and certification under those standards to meet OSHA requirements for products covered by those standards.
UL 2683 Added to NRTL Standards List
OSHA is adding the test standard UL 2683 (Electric Heating Systems for Floor and Ceiling Installation) to the NRTL Program's List of Appropriate Test Standards effective August 21, 2026. Any NRTL recognized for UL 2683 may be used by employers for OSHA-required third-party testing and certification for products covered by that standard.
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