A cable tray system, according to the US National Electrical Code, is "a unit or assembly of units or sections and associated fittings forming a rigid structural system used to securely fasten or support cables and raceways." Cable trays are used to hold up and distribute cables.
Large Span Cable tray
Large span cable tray is a kind of large span cable tray than normal one with elegant design in structure, so has larger carrying capacity than normal one. It is not only suits the cable laying for oil refining, chemical, textile, mechanical, metallurgic, power, TV and broadcasting etc industries, but for underground facilities, such as: cable channel and structure of subway and defending engineering etc.
Large span cable tray includes large span ladder, tray, slot, and heavy load frame, right-angle T-type joint, cross joint and related connectors, shield plate, and support.
The large span cable tray is equipped with shield plate, please note clearly on order or ordering according to model of shield plate.
Design of Large Span Cable tray