Combination meter socket, 200 amp main breaker installed, Single phase, 3 wire, insta-wire neutrals, 8 spaces, 16 circuits, 120/240 volt, 22,000 AIC rating, 4 jaws, Tin plated copper bus bars, Nema type 3R outdoor enclosure, Overhead or underground feed, Feed thru lugs provided, Key hole shaped mounting holes for easy hanging, Deadfront pull ring and side hinge door, Captive dead front screw, RX style hub sold separately, U, L, listed, This Ring Type Main Panel is one of many top quality items in our Meter Bases department, SKU: HMREX1841