9 Electrical energy and power supply cables and electrical control cables; electrical connector elements for cables and wires, namely, electrical plugs, electrical jacks, male and female electrical connectors, electrical contact pins, and receptacles therefor; pre-wired electrical connectors; non-metallic electrical connectors for electrical conduit; plastic flexible and non-flexible conduit for electrical use, namely, for electrical wire and cable including plastic flexible tracking conduit for protecting electrical wire and cable, and non-metal cable glands