What does UL stand for?

What does UL mean?

UL	Underwriters Laboratories Academic & Science » Architecture
UL	Underwriters Laboratories Governmental » FDA
UL	Underwriters Laboratories Miscellaneous » Construction
UL	UpLink Governmental » NASA
UL	Underwriters Laboratories, Inc. Business » Firms
UL	Upper Left Academic & Science » Chemistry
UL	Unordered List Computing » Databases
UL	Underwriters Laboratories Community » Non-Profit Organizations
UL	Unsigned Long Computing » Assembly
UL	Universal Life Governmental » State & Local
UL	Ultra Light Governmental » Transportation
UL	Using Linux Community » Media
UL	Urban Legend Community » Educational
UL	UpLink Computing » Telecom
UL	Unilever, PLC. Business » NYSE Symbols
UL	Unit Level Governmental » Military
UL	University of Limerick (Ireland) Academic & Science » Universities
UL	Universal Library Computing » General
UL	Unión Liberal International » Spanish
UL	University of Leiden Academic & Science » Universities
UL	Upper Level Academic & Science » Architecture
UL	Ultra Lite Governmental » Transportation
UL	Unordered Lists Miscellaneous » Unclassified
UL	Unwritten Law Community » Law
UL	Unnumbered List Computing » General

UL: Underwriters' Laboratories (used esp. on labels for electrical appliances approved by this nonprofit safety-testing organization).