Question: Electric signs Is it permitted to replace a sign face on a listed sign? Answer This question was ...
Question: Motor-operated door systems Other than the typical fire and shock hazards, are there other safety concerns with motor-operated door ...
Question: UL field evaluations I’ve heard UL has revamped its field evaluation program. What is the new process for performing ...
Question: Equipment and field evaluation What are the types of equipment that can be subject to a field evaluation? ...
Question: Email updates? Can I get an email update from UL when new information is added to UL’s Regulators page ...
Question: Low-voltage luminaires Can low-voltage luminaires marked “for recreational vehicle use” be used in other locations? Answer Luminaires intended ...
Question: Counterfeit UL listing mark How can we tell if a UL Listing Mark is counterfeit? Is there something we ...
Question: Nuisance trip on AFCI What should we do if we experience a nuisance trip on a UL Listed arc-fault ...
Question: Portable power distribution unit What UL Standard is used to evaluate portable power distribution units used at construction sites? ...
Question: Incandescent fixtures Type non-IC, recessed incandescent fixtures are required to be spaced a minimum of 1/2 in. from combustible ...