Alpha wire 392250 bk001 silicone wire 22awg black 305m reel alpha wire 392250 bk001 p 22awg hook up wire consisting of 7 strands of 30awg tinned copper wire coated with black silicone rubber insulation p p the silicone insulation allows the wire to be used for high temperature high voltage applications p alpha wire 392250 bk001 silicone wire 22awg black 305m reel