Most recent
UL 444 Ed. 5-2017
Communications Cables
Content Provider
Underwriters Laboratories [ul]
Content Provider
Underwriters Laboratories [ul]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.