Input: 120 VAC, 50/60Hz Construction: Polycarbonate 1W minimum load UL listed Class 2 plug-in electronic transformers Plug-in power supply and 6' detachable cord Class 2 transformers are required for most cabinet listed fixtures Inherently protected and power limited, protecting the lighting system from both normal and abnormal short circuits. Built-in auto reset, soft start, short and overload circuit On/Off switch - only 60W version