9 Electrical fittings, namely, bushings for tubing, conduit, or cable for use in electrical installations and not for non-electric cable, elbows for coupling conduit or connecting conduit to an electrical box or enclosure for use in electrical installations, elbows having an opening to access electrical wire therein for use in electrical installations, connectors for tubing, conduit, cable, cord, or wire for use in electrical installations and not for non-electric cable or wire, couplings for tubing or conduit for use in electrical installations, and conduit bodies for use in electrical installations to connect tubing or conduit and having an opening to access electrical wire therein; electrical hardware, for use in electrical installations, namely, ground clamps for securing electrical wire or grounding conductor to pipe, rebar, or ground rod, caps and mast heads for attachment to a building to connect electrical service entry wires or cables to the building, service entrance wire holders including a non-metal electrical insulator for holding electrical service entry wires associated with the entry of electrical service to a building, electrical disconnect boxes, electrical box housings, electrical box meter hubs and fittings, air-conditioning disconnect boxes, metal strut, metal electrical boxes