United structural products us tray aluminum cable trays. United u li corporation berhad ulicorp, specialized in cable trunking and cable tray, is an investment holding company with seven whollyowned subsidiaries actively involved in the manufacturing and trading of cable support systems, cable management systems, integrated ceiling systems, building materials and light fittings. Experiments involving vertical cable tray fires with a spacing of 0 and 8 mm. United uli corporation berhad ulicorp, specialized in cable trunking and cable tray, is an investment holding company with seven whollyowned subsidiaries actively involved in the manufacturing and trading of cable support systems, cable management systems, integrated ceiling systems, building materials and light fittings. Apr 21, 2016 the cable tray is a wonderfully efficient tool used to manage all these wires. Multiple anchor points across the tray provide cable strain relief and prevent accidental disconnection. The cable passes the test if it does not propagate the fire. For more information on cable tray seismic bracing solutions, please refer to our seismic bracing. What is the difference between cable tray and cable trunk. They are especially useful in situations where changes to a. Access all bline series products, services, tools and resources. An external fire usually results in damage to only a few feet of a cable tray system, while wire insulation inside a conduit suffers significant damage and thermoplastic insulation may actually fuse to the conduit. Best practice guide to cable ladder and cable tray systems. Nrtls list tray cable fittings and flexible cord fittings to the ul514b conduit, tubing, and cable fittings standard, which requires different pulls test for the fittings used with flexible cord and the.
Details, links and downloads for intergraph smartplant 3d here. To determine the required width of a ladder or ventilated trough cable tray as per section 31811b4. This test involves loading multiple cables in a vertical section of cable tray and igniting the cable at the base of the tray. Introduction i cospec eaton bline series cable tray systems cospec, the specifier center, is designed to help you easily select, view and download bline series product design content in any one of nearly one hundred nonproprietary and proprietary cad, bim, pdms. View and download huawei rru5909 installation manual online. Cable tray online brochure cable tray, cable bus, wire. This same test is used to test singleconductor power cables 10 awg and larger for use in cable tray, tray cable tc. Cables on faceup horizontally fixed tray must be secured by use of the tie wraps where not in. Longitudinal running 20 x 7 slots permit use of cable ties up to 20mm wide, correctly positioned across the width of the tray instead of staggered as with conventional patterns. Cable support systems are available in three confirgurations. Cable tray width will be 3, 6, 8, 10, 12, 20, or 24 inches.
Ulitm design of cable ladder is compact and fast to install, with. In order to help our customers, this site supports quick links and useful. View and download universal u15 assembly manual owners manual online. Cables allowed in tray cable tray is one of the most common methods of supporting wire and cable.
The aim of this work is to study the i mpact of cable tray configuration on fire spread. Aug, 2011 ladder cable tray is used for about 75 percent of the cable tray wiring system installations. Cable tray and tray cable are also less susceptible to fire loss than conduit. Tray can be manufactured in various types of material including aluminum, steel and fiber and other nonmetallic materials. Cable tray and cable management nema catalog eaton. Note cable tray systems and cable ladder systems are designed for use as supports for cables and not as enclosures. Flextray fill capacity is based on nec allowable fill of 50%. With a grounded metal barrier along the centerline to separate power wiring and datacommunication cabling, a single, large cable tray installation is capable of routing a large amount of wiring. Delta cable trunkings uae cable trays manufacturers. Metallic delta cable trunking is a quick economical way of carrying electrical wires, telecommunication cables as well as computer cables. Wire cable tray is a flexible cable support solution for complex sites. U bolt type beam clamps figure 6b are generally used to fix lengths of channel. Uli design of perforated type cable tray is compact and fast to is install. Teachers must model strong character traits, such as perseverance, honesty, respect, lawfulness, patience, fairness, responsibility and unity.
Safety cable wiring systems lack the inherent safety. A common problem the update addresses is that fittings that pass the flexible cord listing requirements but not the tray cable listing requirements are being used with type tc tray cables. These can be hot dip galvanized, expoxy coated or polyester coated. Through nema and the cable tray institute numerous articles, standards, and other general guidance can be found regarding the proper use and installation of cable tray systems. The quick tray wire mesh cable tray fill table below shows the number of cables and the load in lbflineal foot developed by typical 4 pair and 6 pair cable weighing 20 lbkft and 40 lbkft,respectively. Usp specializes in creating madetoorder cable trays while offering support, logistics management, and unparalleled customer service. Cables will nearly completely fill the cable tray when reaching the 50% cable fill.
Cable trays are capable of supporting all types of wiring. Cable tray systems and cable ladder systems for cable. Oct 26, 2016 in order to find more about this range, i invite you to visit the website and to download the catalogue pages by clicki. Wire cable tray system united uli projects pte ltd. Trans delta offers a variety of trunkings ranging from normal surface trunking to floor distribution system.
Traditionalists point to cable trays open construction as a drawback, citing the superior cable protection provided by closed raceway structures. This standard does not apply to conduit systems, cable trunking systems and cable ducting systems or any currentcarrying parts. The cable tray system is only one component of the. A cable tray is a metallic frame with vents that quantities of cables are layed and tied with cables in good arrangements on and it normally used in industries etc. Method statement for installation of cable tray or trunking. Cable tray medium duty return flange cable tray unique slot pattern cable clamps can be attached to the larger 20 x 11 slots using up to m10 fixings without drilling. Cable tray is classified by the nec nfpa 70 the national electrical code as a support system and not as a raceway. Uli offers some of the strongest cable trays in their classes, and produces them to a very high structural. A cable tray consisting of one piece, ventilated or solid bottom channel section, designed for use with a single power cable or multiple control or single circuit cables. Uli cable support system, cable trunking, cable tray. With over twenty years of experience in the computer products field, our dedicated team of engineers, production specialists and administrative staff provide the finest quality accessories available on the market.
U litm steel cable tray product range perforated tray series u litm design of cable ladder is compact and fast to install, with both straight cable tray and all accessories having a unique integrated coupling system. Power distribution cables sensitive control wiring telecommunication wiring optical cables cable tray materials. Support locations for cable ladder fittings and cable tray fittings. The bline perforated and solid bottom cable tray portion of this catalog is divided into two sections. Power tray aluminum is a versatile ladder style cable tray system available in a broad range of nema and csa load classes. Further details can be found under download centre catalog. In the electrical wiring of buildings, a cable tray system is used to support insulated electrical cables used for power distribution, control, and communication. The bline series site has moved and all the information that was on the old website is now available here. We are one of the largest and most reputable manufacturer of aluminium pc case in taiwan. There are many different types of cable tray including basket, ladder and solidbottom. The nec rule requires that the cable crosssectional areas together may not exceed 50% of the tray area width x depth fill. Cable tray our cable trays are made from either hot rolled mild steel, cold rolled mild steel, pregalvanized steel, electrogalvanized steel or stainless steel.
This includes product specifications, catalogs, cospec and other customer tools, and more. It heads off the possibility of a disorganized mass of conductors that. While this table is a useful guide,actual loads must be calculated using the cable specified. A ladder cable tray without covers permits the maximum free flow of air across the cables. Our tray cables offer an even greater level of performance and longevity, which results in higher value and cost savings. Powertray aluminum is a versatile ladder style cable tray system available in a broad range of nema and csa load classes. Jan 27, 2017 1 st mark straight line and second line is it after 1. U li cable support system, cable trunking, cable tray, cable ladder, cable framing. The cable tray shall be installed with a 40mm minimum space between the structure and the tray. However, this argument has not kept cable tray from dominating the market in europe, where more than 90 percent of all wiring and cablingboth for power distribution and communications and. Product file uae cable trays manufacturers transdelta. The srcabletray1u smartrack 1u horizontal cable management tray cuts down on cable clutter and stressed connections by safely supporting and segregating the equipment cabling from either side of the rack to interior connections. U litm offers a wide range of options to suit your design and with load rated to nema ve1. The cable tray is a wonderfully efficient tool used to manage all these wires.
Us tray aluminum cable tray systems click to download a pdf version of our catalog june 2017 version. Get a detailed look at our aluminum cable trays, tray covers and wire management accessories, including straight sections, horizontal elbows, tees and crosses, connectors, dividers, clamps and. This is a critical distinction because it means the requirements for the cable contained in raceway is different than cable supported by cable tray. All straight tray sectionsaresuppliedwithonepair of standard splice plates with hardwareatnocharge. Today cable trays have become a necessary part of industrial and commercial construction by offering quick, economical and flexible solutions to these problems. Our cable trays are made from either hot rolled mild steel, cold rolled mild steel, pregalvanized steel, electrogalvanized steel or stainless steel.
Cable trunk is a durable rectangular plastic on which wires and minimum size of cables are layed on with covers to protect wires from dangers metallic materials and are normally used in offices and in the houses. Cable trays are used as an alternative to open wiring or electrical conduit systems, and are commonly used for cable management in commercial and industrial construction. Universal u15 assembly manual owners manual pdf download. Typically used by all industries as a low cost way to connect equipment to main cable tray systems ventilated or solid bottom designs. Gf unit b, mai luen industrial building, 2331 kung yip st, kwai chung, hong kong tel. It is the predominate cable tray type due to its many desirable features. Using the products own accessories, wire cable tray is easily directed where it needs to be around multiple obstacles. The type of support best suited for an application will. For 900mm and 1200mm bend radius dimensions, download submittals at. A full line of accessories, covers, and radius fittings are available including snapin splice plates, which eliminate the need to hold the splice in place while bolting.