... T5 2x54W, 4X54W Electronic Ballast cULus, CSA Approved Fluorescent Lamp T5 Electronic Ballast (cULus and CSA Approved) Usage:Fluorescent Lamp T5 Electronic Ballast T5 ... Lamp T5 2x54W, 4X54W Electronic Ballast Certificate & Conformance:>>cULus and CSA Listed (Class P. Type 1 Outdoor. Type HL)>>Meets ANSI ...