PowerMark⢠Residential load center for main lugs convertible to main breaker. 70 A, 120/240 VAC. Total 1-pole space for 1 inch is 2 and 1/2 inch is 4. Surface front type. Top bottom feed type. 6 to 3 (copper-aluminium) AWG/KCMIL main wire size. TGK4 equipment ground kit. Suitable for use as service entrance equipment when Installed in accordance with the national electrical code. 22kAIC RMS symmetrical, except where noted. 6 to 42 circuit devices UL Listed for bottom mounted lugs by installing complete unit (box, interior and front) upside down.