6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
electrical fittings of metal, namely, metal nipples, locknuts, washers, bushings, and elbows for tubing or conduit; electrical hardware of metal, namely, metal chains, hooks, clamps for tubing, conduit, pipe or cable, clips, hangers, straps, sill plates to cover conduit or cable entering a building, nail plates to protect wire from nail punctures, and roof flashing
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
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, [ electrical wire, ] 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 wireholders including a non-metal electrical insulator for holding electrical service entry wires associated with the entry of electrical service to a building