ROBERTSON 3P10033 Fluorescent mBallast for 2 F13T5 Linear Lamps, Electronic Start, 120Vac, 60Hz, Normal Ballast Factor, NPF Model SEN213PSC /A Electromagnetic type ballast Meets ANSI C82.1 Maximum case temperature 194F/90C, Maximum ambient temperature: 104F/40C UL/935 (Class P, Type HL, Type 1 outdoor) listed Automatic reset thermal protector