ULC Standard definition
ULC Standard means the Underwriters' Laboratories of Canada Standard CAN4-S508-M83, Rating and Fire Testing of Fire Extinguishers, as amended form time to time;
ULC Standard means the Underwriters' Laboratories of Canada Standard CAN4-S508-M83, Rating and Fire Testing of Fire Extinguishers, dated June 1983, as amended to July 1986. (norme ULC) SOR/88-199, ss. 1, 19;
ULC Standard means the Underwriters’ Laboratories of Canada standard CAN/ULC-S508-02,