Cable tray cable ladder cable trunking hai nam switchboard. Select the fittingscable tray fittings are designed to change the direction of the cable tray. At this type of installation the adjusting allowance of the tray is limited. The ventilated trough cable tray does provide more support to the cables than does the ladder cable tray but this additional support is not significant. In all instances cables utilized within a cable tray system should be ul listed and marked as cable tray rated. Cable tray wiring systems are well suited for computer aided design drawings. A prefabricated metal structure consisting of a onepiece ventilated bottom or solid bottom channel section, or both, not exceeding 6 inches in width. Complete cable tray manual for electrical engineers and.
Cable tray must be supported on spans shorter than or equal to the length of the cable tray being installed. The types of cables, allowed in cable trays, and the wiring methods permitted in cable trays can be found in nec section 392. This type of cable tray provides maximum ventilation to heat producing cable such as power cables. It permits a move to high density platforms with enough management, installation. The only reason to select a ventilated trough cable tray over a ladder type cable tray is aesthetics. One must consider the radius of the bend, whether vertical or horizontal. Most cable tray systems are fabricated from a corrosionresistant metal lowcarbon steel, stainless. Building types include duplexes, garden style, low rise less than. A spread sheet based wiring management program may be used to control the cable fills in the cable tray. S service, o oilresistant jacket, j junior service 300 volts, w weather resistant, t thermoplastic, and oo oilresistant insulation and jacket. Tolmega telescopic perforated cable trays tscopic type or equivalent to iec 61537. Cable tray manual based on the 2014 national electrical code cable tray manual 2014 cable tray manual bline series cable tray systems man1 eaton mark shown is the property of its respective owner.
Valve types kochglitsch has the valve type for your applicationservice. A cc 04 120 material a aluminum 6063t4 g type 1 hdgaf p type 2 pregalvanized ss4 304 stainless steel ss6 316 stainless steel type ccventilated cable channel ccnnonventilated cable channel width 03 3 04 4 06 6 ventilated straight sections contain 214 57. Cable trays are capable of supporting all types of wiring. Download catalogue introductiona4 technical informationa6 aluminum cable traya32 steel cable tray. While such a system may also be used for controlling conduit fill, large numbers of individual conduits must be monitored. Cable trays are made of either steel, aluminium or fibber reinforced plastic frp and are available in six basic types, 1. The process is recommended for cable tray used in most outdoor environments and many harsh industrial environment applications. Steriwashtray carl martin gmbh pdf catalogs technical. Flexitray valve trays proven performance in all liquidvapor contacting. The main function of cable trays and cable ladders is to support electric cables securely between two points.