Cable Management

5 Excel Electric - Cable Management C A B L E M A N A G E M E N T S Y S T E M S CABLE MANAGEMENT SYSTEMS Steel Trunking Wire Tray Steel Cable Tray Cable Ladder Steel Trunking is used to route and protect unarmoured cables in commercial and industrial buildings. It consists of square or rectangular channels with removable lids and it gives all-round protection to the cable. The lid is removable to facilitate access to the channel. As this system is for unarmoured cables the cables must be laid in the channel and not ‘pulled in’. The channel may be divided into compartments separated by a ‘fillet’ and used to segregate power, telecom and data services. Completion of the trunking system installation requires a range of fittings and accessories to be available matching the trunking dimensions. Cable trays are used for carrying multiple runs of smaller diameter armoured and sheathed cables. Power, control, data and communication cables need continuous support from distribution centres to outlet destination. Steel cable tray consists of a ‘U’ shaped piece with perforated bottom and folded sides of selected height. The perforations allow for cooling of cables and provide for fixing of cables using cable ties and clips. Systems are available in light (10mm side) medium (25mm) and heavy (50mm) construction. Selection depends on weight and type of cable to be carried. Cable ladders are made of steel and consist of two shaped longitudinal sides connected together by transverse rungs which are welded or otherwise fixed to them. Rungs and sides are perforated to allow fixing of ties and cleats to hold cables in position. Ladder is used to support heavy power cables and particularly for long runs where maximum support and ventilation is required for the cable. Mainly used to carry communications cables and similar light cables where very flexible outlet of cable is required. Produced from high mechanical strength steel wire, from 4mm diameter or larger to form a welded mesh construction. It is fitted with sides, formed by the mesh to keep cables in position. The system can be manufactured to exact requirements on site by cutting the steel wires preferably with a bolt cutter. Change of direction in both the horizontal and the vertical plane is possible by modifying and adapting the standard wire tray. bends, tees, crosses, risers, reducers are easily formed with the help of fishplates. Couplers join adjacent lengths together.

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