ULC 645
Standard For Power Roof Ventilators For Commercial And Institutional Kitchen Exhaust Systems (ULC S645)
standard by Underwriters Laboratories of Canada, 11/01/1999
ULC 655
Standard for Aboveground Protected Tank Assemblies for Flammable and Combustable Liquids (ULC S655-98)
standard by Underwriters Laboratories of Canada, 02/01/1998
ULC 551
Standard For Forged External-Lug Quick-Connect Couplings And Adapters For Forestry Fire Hose
standard by Underwriters Laboratories of Canada, 01/01/1995