Surface mount, range and dryer. Meets all UL 498 requirements. For use with copper or aluminum wire, 75 degrees Celsius rated terminals. Lay-in terminals accept up to number 4 wire. 3/4" and 1" knockouts and adjustable cord clamp allow for wiring from bottom or back. Size: 2-3/32" x 2-1/2" x 4-3/4". NEMA 14-30.