Alpha wire 1299 20c sl005 screened control cable 22awg 20 core alpha wire 1299 20c sl005 alpha wire s 1299 20c is a control cable consisting of 20 insulated cores of 22 7 30 awg conductors the cable is foil screened with a drain wire contained in a slate coloured pvc jacket alpha wire 1299 20c sl005 screened control cable 22awg 20 core 30 5m reel