Product Description 70a Main lugs load center, surface mount, 2 space circuit - 4 single poles, indoor, individual consumer pack with upc bar code. From the Manufacturer Single phase, 3 wire, insulated/bondable movable neutral, 2 (1") spaces, 4 poles, 120/240 Volts AC. No.GBK5 or GBK520 ground bars and doors sold separately. Tin-plated aluminum bus bar. In accordance with NEC, suitable for use as service equipment when not more than 2 service disconnecting mains are provided or when not used as lighting and appliance panelboard. When bonded, unused neutral connections may be used for equipment ground protectors in service entrance application. #8 - #2 wire range. Electrostatic powder coat, baked urethane painted. Rotate 180 degrees for bottom feed. U.L. Listed file E8741.