Steel, 4" square, open. Ears 2-3/4" on center. UL listed.
530115 CONN,CLOSEND 2214,PKG.$3.49
303-05320-ICP OUTLET,DUPLEX IV$0.89
S02-05325-OWS OUTLET,WHITE$3.99
410 BOX,SWITCH 3X2X1-1/2"$5.99