an insulated wire is a kind of wire
electrical_wire is wire. trip_wire is wire. insulated_wire is layered_thing. spark_plug_wire is insulated_wire. insulated_wire is electrical_wire. utility_wire is multi_conductor_insulated_wire. power_cord is multi_conductor_insulated_wire. building_wire is insulated_wire. telephone_wire is multi_conductor_insulated_wire. multi_conductor_insulated_wire is insulated_wire.