Liftmaster Saftey Edge Coil Cord 4 Wire, 18 ga, 20 ft MODEL 50105

MODEL 50105 Coil Cord 4 Wire, 18 ga, 20 ft Sensing Edge Connections Coil Cords Coil cord, 4-wire, 18 ga., 20 ft. extended Each sensing edge requires a means to connect it to the door operator. The means must be able to extend and retract as the door moves. Coil cords and take-up reels fulfill this function. A wireless connection may also be used. IMPORTANT NOTE: TAKE-UP REELS ARE NOT RECOMMENDED FOR USE WITH ANY FAILSAFE TYPE EDGE. USE COIL CORDS ONLY.