round meter socket 100Amps,120-240V 1phase,4 terminal,2 or 3 wire,fix hub size:1/2"to 1-1/4" aluminum round ... meter socket1.100Amps,120/240V AC,Single phase,4 terminals,2 or 3 wire2.The Die-cast Aluminium enclosure.Electrostatically applied ... surface.5.Stainless steel sealing ring6.Fix hub size:1/2,3/4,1,1-1/4 for option Aluminum Die ...