10 Volt GFCI for Boat Lift Motor is compatible with all boat hoist motors. Features GFCI in-line, enabling two motors to use side-by-side plugs. Comes equipped with test and reset buttons. When installed correctly, the GFCI will protect from severe electrical shock by shutting off power when a short, voltage leak or water is detected. The 110 Volt GFCI for Boat Lift Motor is made from UL listed marine components.