The ECCOM-10 Black AC Extension Cord From American DJ. With 10 feet of AC extension Cord the ECCOM-10 Black AC extension cord won’t let you down. Reliable and Durable make sure you always have enough cord to reach your setup. Never let a lack of cord make your show a disaster. The ECCOM-10 From ADJ is the perfect on the go solution to your AC extension cord needs, providing you an extra 10 feet.