Faber kabel stranded flexible pvc insulated wires h07vu k faber kabel 040228 the faber kabel 040228 is a pvc insulated wires h07vu r k acc to en 50525 2 31 the wire is ideal for laying in pipes on top of or under plaster and in closed installation ducts and for internal wiring of machinery switchgear and distributor systems the cable has a bare copper conductor with a pvc ti1 outer sheath the cable has a voltage rating of 750v and a maximum operating temperature of 70degc faber