UL

Underwriters Laboratories

US safety certification for product testing and listing of security equipment

Product ListingFire AlarmAccess ControlCCTV

Overview

UL standards are produced by Underwriters Laboratories in the United States and are accepted in Canada, particularly in areas where ULC has not produced a Canadian equivalent. UL 294 covers access control system units. UL 681 covers installation and classification of burglar and holdup alarm systems. UL 1981 covers central station automation systems. Many products sold in Canada carry UL listing as evidence of third-party safety testing, and insurance underwriters may specify UL-listed equipment.

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Directory categories where this standard is commonly referenced.

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