Live Working – Guidelines for the Installation of Distribution Line Conductors – Stringing Equipment and Accessory Items (CEI/IEC 61911: 2003) (CAN/ULC 61911) standard by Underwriters Laboratories of Canada, 08/10/2012
Standard for Aboveground Protected Tank Assemblies for Flammable and Combustible Liquids (CAN/ULC-S655-15) standard by Underwriters Laboratories of Canada, 09/01/2015