... ~240VAC, 2. Single phase,4 terminal,2 or 3 wire,Fix hub size:1/2",3/4",1"1-1/4 MT ... ,120/240V AC,Single phase,4 terminals,2 or 3 wire Copper Jaw,Copper or aluminum connector•The Die-cast Aluminium ... conductor against a serrated surface.Stainless steel sealing ringFix hub size:1/2,3/4,1,1-1/4 for option ...