Outdoor combination main breaker/ringless meter socket load center. Panelboards No. 67 60-degree/75-degree centrigrade conductor rating. Suitable for use as service entrance equipment when installed in accordance with the National Electrical Code 22kAIC. RMS symmetrical, except where noted. 6-42 circuit devices. UL (Underwriter's Laboratories) listed for bottom mounted lugs by installing complete unit (box, interior and front) upside down. 4/8, NEMA 3R, OH/UG.