Definitions for "Underwriters Laboratories"
Independent organization that tests electrical products for safe operation and conformance with published standards under various conditions. Products that pass may display the UL logo.
An organization that disseminates test data on a wide scope of equipment it has tested to determine whether the equipment meets the UL's high safety standards.
A non-profit agency which functions as the testing arm of the National Board of Fire Underwriters. It maintains laboratories for the examination and testing of various devices, systems, and materials to determine their safety against the hazards of fire, wind, and accidents.
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See UL.