Box Extender | Csa c22.2 No. 40;Csa c22.2 No. 94;Csa c22.2 No. 94.1;Csa c22.2 No. 94.2;Ul 50;Ul 50e | Csa Certified to c22.2 #188, Ul Listed to 486c, Complies With Federal Specification W-S-610e, Rohs Compliant