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 ... polyester resins,which are baked on.Gray color exterior.3.The current carrying parts are made of phosphor copper ...