Plastic D-ring used to route cables to keep your rack organized and simplify equipment maintenance. Fitted with hinge for fast accessibility. Fitted on the side of the cabinet in the 19" clamp, the D-ring can be mounted both horizontally and vertically. One of the initial tasks while troubleshooting a network or a device involves testing the data cable to make sure whether it is in working condition or not. Such Simple tasks can become complex if cables or wires are not properly managed. a critical reason for proper cable management has to be with Fire Safety. Tangled and unorganized wires and cables are more likely to lead to sparks and even fire.