For horizontal sections where cable trays are laid out in a straight line, the typical support span (distance between supports) should range from 1. This range allows for easy access and efficient maintenance. Extra-long spans are also used to help reduce the required number of expensive outdoor supports. brings the Cable Trays in Bhutan just for you! We, one of the well-known Cable Trays Manufacturers in Bhutan, offer top-notch trays that keep your electrical system organized and protected. Our durable, high-quality trays come in various sizes and styles to fit any. The cable support lengths and fittings can basically be designed as cable trays, cable ladders or mesh cable trays, in which cables are routed. 40 years of experience in cable route manufacturing.