H07V-K 450/750V Single Core Copper Conductor PVC Insulated Flexible Electrical Wire and Cables. H07V-K are wiring cables with thermoplastic PVC insulation for protected, stationary installation inside devices as well as inside or on lamps. They are suitable for protected, stationary use in or on lighting installation or control units/ switchgear in conjunction with voltages up to 1000V AC or 750V DC to-ground.