JSC Wire Speaker Wire Cable 12 AWG Clear 50 ft. USA by JSC Wire & Cable. $27.30. Standard two conductor wire for connecting speakers, alarm systems, power cords, and other applications. Clear and brown PVC insulation. Clear insulation polarity is indicated by wire color. *Wire gauge: 12 ga. *Spool length: 50 ft. *Construction: 65 x 30 ga. *Made in the U.S.A.