The Next Generation of In-Line GFCIs from Ericson Manufacturing Company. cUL listed, the Piranha XG2 series features a brand new look with enhanced functionality. * Indoor/outdoor use: provides increased resistance to impact, heat, UV exposure, and is water tight. * New and improved TEST and RESET buttons are easier to operate and provide enhanced tactile feel and audible feedback. * Redesigned circuit conforms to the NEW UL 943 standard for safety governing GFCIs: o A more stringent voltage surge test ensures the GFCI can handle higher surge current. o Corrosion test ensures greater immunity to damp, corrosive environments. o Enhanced immunity to conducted radio frequency noise reduces nuisance trips.