electrical insulation on a conducting wire can prevent electrocution
electric_shock is electrical_conduction. spark_plug_wire is insulated_wire. electrical_outlet is electrical_conductor. jumper_cable is multi_conductor_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. electrical_wire is electrical_conductor. multi_conductor_insulated_wire is insulated_wire.