On the tray the vapor and liquid are contacted and then above the tray they are separated. By downloading and using any arcat cad drawing content you agree to the following license agreement. With this merger, all of our power whips will be manufactured and sold under the pdu cables name. The different types of tray designs are described below. Ocean going shipments should be transported via container. Types of tray types of tray trays are the most commonly. Cable support systems in the international world it is not uncommon to use either the cable tray.
Ladder tray is the most common and the most economical type of tray, also providing maximum ventilation for cabling. Magnetic shield insulation without cover 20 db, with cover 50 db. Cable tray systems design shall comply with nec article 392, nema ve 1, and nema fg 1 and follow safe work practices as described in nfpa 70e. Splice plates are one of five key attributes of the bline cable ladder system that combine. We also offer a wide range of cable ladder systems. Dangers of overloading cable trays safety management inc. Cable trays and accessories are designed to meet most requeriments of cable and electrical wire installations and comply to local international standards of fabrications and finishes. The only reason to select a ventilated trough cable tray over a ladder type cable tray is aesthetics. It provides the needed flexibility in circuit layouts in various industrial establishments. Individual rungs will support without collapse a 200 lb. Wire mesh cable trays cablofil cable trays legrand. Channel cable tray accessories eaton e7 bline series cable tray systems channel to floor base plate the channel to floor base plate is used to attach the end of a cable channel run to the floor or to an equipment mounting pad. Cables allowed in tray cable tray is one of the most common methods of supporting wire and cable. Cable tray cable ladder cable trunking hai nam switchboard.
Types of tray trays are the most commonly selected type of distillation column. The dependability of cable tray wiring systems has been proven by a 50 year track record of excellent performance. Six bolt design 12 stainless steel type 316 hardware standard. Tested at every stage of the process, wire mesh cable trays from legrand have. Cable trays, gi perforated cable trays, manufacturer. The ladderperforated type cable tray shall be made out of min. Aluminum cable tray cover accessories equivalent items are available for steel cable trays. Cope cable tray solutions for your infrastructure requirements welcome to our new products catalog. Apr 21, 2016 for raceways terminating at a tray, a listed cable tray clamp or adapter fastens the raceway to the cable tray system. In this video you will get the procedure for properly joint the electric wire. Cable trays for electrical systems electrical free cad. Allowable ampacities conductors in cable trays iaei. Types of cable tray any assembly of cable tray straight sections, fittings and accessories that form a rigid system to support cables is a cable tray. Cable trays types, perforated cable trays, ladder type cable.
Page 12 specifying the slope for cable tray or conduit. Cope rungs are fastened to the side members by an exclusive swaging process. A cable tray fitting which is suitable for joining cable trays in three directions at 90 degree intervals in the same plane. An example of a simple beam is a single straight section of cable ladder supported, but not fastened at either end. Generally used in applications with intermediate to long support. Cable trays for electrical systems cad drawings free architectural cad drawings and blocks for download in dwg or pdf formats for use with autocad and other 2d and 3d design software. Heavy duty external return flange standard, inside return. In addition, its design does not contribute to potential safety. 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.
Afcs type mc cables, including the new mcia styles and traditional. For most tray columns, the weir holds a liquid level of each tray. For the first time we offer our complete line of cope cable tray products in a single catalog. Every second rung is reversed to allow for easy top or bottom mounting of cable ties and clamps.
This complete catalog is designed for ease of use and to provide the basic information needed to select the proper cable tray system for your needs. There are many different types of cable tray including basket, ladder and solidbottom. Rung types swaged and channel swaged type aluminum. Straight cable tray sections aluminum rail height load depth select from chart above a620c 09 sl20 24 g straight length catalog numbers. Cable tray is one of the most common methods of supporting wire and cable. Cable tray wiring systems offer significant advantages over conduit pipe and other wiring systems. When joining cable tray w140 fs reinforced, side joint w4940 must be used.
When the ladder is loaded the cable ladder is allowed to flex. The bline perforated and solid bottom cable tray portion of this catalog is. Cable tray is more cost efficient, more reliable, more adaptable to changing needs and easier to maintain. In the electrical wiring of buildings, a cable tray system is used to support insulated electrical cables used for power distribution, control, and communication.
Southwires 600 volt type tcer power cables are suited for use in wet and dry areas, conduits, ducts, troughs, trays, direct burial, aerial supported by a messenger, and where superior electrical properties are desired. The use of ventilated cable tray is common for heavier weight cables and offers more protection in offshore applications. Different types of cable trays provide different natural ventilation. Cable tray and cable management nema catalog eaton. United structural products us tray aluminum cable trays. We offer a wide range of cable tray systems to support tubing, electrical cables and instrumentation.
Technical and sizing data unitray cable tray systems. However, many technicians have opined in the past that this type of trays develops moisture too easily and the adequate ventilation system is not there. Cable tray reducer example of catalog numbering system 100mm depth 1. For cable tray installersthis publication is intended as a practical guide for the proper installation of cable tray systems. Tray system number bottom type length 12 120 20 24 25 30 40. Article 318 of the national electric code nec permits cable tray in a wide variety of indoor and outdoor applications. Cable tray selection process selection process technical information a number of basic decisions must be made before a cable tray system can be specified. This is a multiconductor cable that most often has a nonmetallic jacket. If scheduling permits, freight costs for ladder tray can be greatly reduced if shipped with other project items e. In this series of videos about cable tray systems, you will know the usage of the cable tray systems in projects, its different types, the methods of cable t. Cable trays are available in a wide variety of sizes, styles including ladder, ventilated trough, ventilated channel, solid bottom and similar structures and materials, metallic or nonmetallic. Typically used by all industries as a low cost way to connect equipment to main cable tray systems ventilated or solid bottom designs. Branch pivot connectors branch from existing cable tray runs at any.
The cable ampacity installed in solid tray will be similar to cable installed without spacing in accordance with cec rule 121210 3. 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. S rdv 50 width b 502 mminch m s rdv 75 752,9 267 77 f rdv 50 f 502 263400 59 62 to be used for. Different types of cable tray that are used across various. Cope ladder tray can withstand heavy rigor and harsh environments with heavy hot dip galvanized steel, fiberglass, and aluminum options. Cable trays are made of either steel, aluminium or fibber reinforced plastic frp and are available in six basic types, 1. Installation guide unitray cable tray systems, support. Eatons bline business is a global provider of innovative, laborsaving cable management systems, support systems, and enclosure solutions for engineered facility subsystem applications. Similar to conduit, revit has agood amount of predefined cable tray selections. Different types of cable trays, different types of cable. Simple beam support is seldom used in field installations. Pvc requires very little energy during its manufacture.
Cable tray must be supported on spans shorter than or equal to the length of the cable tray being installed. View and download autodesk 235b105a7611 autocad mep 2010 user manual online. Plastic cable trays, 60 mm side height, standard support width 1. Code standard widths are available in 15cm, 30cm, 45cm, 60cm, 75cm, and 90cm. These accessaries available in different sizes as per demand of customer. Although this was a new cable article in the 1996 nec, it is not a new type of cable. The legrand pvc cable tray range complies with the requirements of the rohs directive, which stipulates the elimination of several substances that are hazardous to the environment and to health.
Buyers can choose from a number of different cable tray designs. Have been investigated by ul in accordance with the. The mechanical performance of cable tray products and accessories are tested against the demanding requirements imposed by the nema ve1 underwriters laboratories ul and international standard iec 61537. This plate is used for joining cable trays having different widths. Because of the fact that its not alwaysmodeled in design, can cause significant issues during construction. Cable tray accessories such as horizontal bend tray, horizontal bend type tray, cable tray reducer and vertical bend cable support.
Select the type of traythere are three different types of cable tray. Select tray sizethere are different widths and heights of cable tray and what you require will depend on number, size, spacing and weight of the cables in the tray. Straight couplers are used for joining together straight lengths and or fittings. Cec rule 122210 prescribes that when installed in a cable tray, allowable conductor and cable ampacities are based on tables 1 to 4 for copper and aluminum conductors with adjustments based on the spacings between cables and the type of tray selected. Due to the ratio of ladder trays bulk to its weight, the freight costs for tray are higher than other metallic products. Type mc cables should be cut with an armored cable rotary cutting tool which helps eliminate nicking and cutting of the conductors. Hopefully these basics of tray cable provide you with the groundwork for understanding when to use tray cables and the. We manufacture vertical, horizontal bend, elbow, tee and cross for perforated cable trays for standard support. Type i, class a cable, special purpose, electrical, low tension. Tray can be manufactured in various types of material including aluminum, steel and fiber and other nonmetallic materials. 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 brackets.
Cable tray online brochure cable tray, cable bus, wire. With a full range of cable support solutions, we offer one of the lowest lifetime cost of ownership. About 85% of these are cable trays, 5% are wiring ducts, and 1% are other fiberglass products. Best practice guide to cable ladder and cable tray systems. Solid tray the solid bottom cable tray is used in highly sensitive circuits and these are highly secure type of trays.
A properly designed and installed cable tray system with the appropriate cable types will provide a wiring system of outstanding dependability for the control, communication, data handling, instrumentation, and power systems. Universal has developed a simple sevenstep process to guide you in the process. This type of cable tray provides maximum ventilation to heat producing cable such as. A wide variety of different types of cable trays options are available to you, such as solid through, ladder tray, and wire mesh. Full guide of cable tray installation and sizing part 1. In a rapidly changing industry with evergrowing demands, general cable continues to stay ahead of the curve with. Our cable trays are produced in fit for purpose materials like stainless steel, galvanized, aluminium and fibreglass frp composites to suit any project type both offshore and onshore. Type mc cable can be used to replace wire and conduit in applications such as cable tray, power lighting, service feeders and branch circuits as permitted by the national electrical code.
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. Types of cable tray any assembly of cable tray straight sections. A cable tray fitting that is suitable for joining cable trays of different widths. Solid bottoms completely eliminate cable sagging and offer the most protection. The vapor must overcome this liquid head to move up the column. Cable trays are capable of supporting all types of wiring. First and foremost, a cable tray must act as an effective and durable support for cables. Cablofil wire mesh cable trays are constructed of precision engineered, highquality, welded steel wire and are the result of decades of research gained from the installation of 94,000 miles of cable trays across the globe. Tc cables are rated for 600 volts and can be used in industrial power or control circuits, where flame retardant cables are desired. They provide a high level of ventilation for the wires and cables from all sides, and also allow for easy access from either side of the tray.
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. 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. We are pleased to announce the merger of power cabling with pdu cables, effective immediately. Cable ladder trays welded and swaged cable management. Best practice guide to cable ladder and cable tray.
Trayed columns utilized a pressure and temperature differential to separate the products. Fires involving electrical cables are one of the main fire hazards in nuclear power plants npps. Cable tray is less expensive, more reliable, more adaptable to changing needs and. All straight tray sectionsaresuppliedwithonepair of standard splice plates with hardwareatnocharge. Ladder a prefabricated metal structure consisting of two side rails connected by individual transverse members or rungs. This type of cable tray provides maximum ventilation to heat producing cable such as power cables. Cable management system cable tray wescosa cable management system channels westray comes in four 4 types of pro. Cable tray selection process cable trays manufacturers. An advantage of choosing exposed run cable is that it is less expensive than your standard tray cable and the exposed cable can be used up to 50 feet past the cable tray without having additional armor or be held within a tray. Mc styles, display the colorspec id system for fast cable and system voltage identification. 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.
The process is recommended for cable tray used in most outdoor environments and many harsh industrial environment applications. Ladder types trays are one of the most common, and can be used over a relatively long span without intermediate supports. Cable tray is an economical wire management system designed to support and protect electrical wire and cable. The purpose of a cable tray system is to support, route, and protect cable as part of the cable management system. In far too many projects, you run into anissue where areas are simply jammed with cable tray.
Cable trays also provide additional protection from physical damage. Solid tray will carry the same type of conductors as ventilated trays. Thousands of miles of itc cable have been installed in industrial situations since the early 1960s. The mechanical performance of cable tray products and accessories are tested against the demanding requirements imposed by the nema ve1 underwriters laboratories ul. The power it provides can support structures of any size. Kingwires aluminum mc cable is suitable for use in concealed or exposed installations including environmental air spaces per nec 300.
Straight sections of ladder type cable trays consist of two longitudinal side rails, connected by individual transverse members, or rungs, which are welded to the side rails or bolted in case of gi trays. Aug, 2011 cable trays are made of either steel, aluminium or fibber reinforced plastic frp and are available in six basic types, ladder type cable tray. Cable tray systems h46a, h47a and 57a midspan splice standard for h46a, h47a and 57a straight sections. Type tc tray cable nec article 336 power and control tray cable type tc is a factory assembly of two or more insulated conductors, with or without associated bare or covered grounding conductors, under a nonmetallic jacket. Usp specializes in creating madetoorder cable trays while offering support, logistics management, and unparalleled customer service. Most cable tray systems are fabricated from a corrosion resistant metal low carbon steel, stainless steel or an. Schematics of the swl type tests i iv for cable ladder and cable tray. Because of this versatility, tray cable is necessary to a wide range of industries from light industrial applications to the heaviest projects on the. It can be used in wet or dry locations, indoors or outside, and shielded or left out in the open.
Different applications and preferences have given rise to a variety of cable tray types and configurations, from solidbottom trays, to ventilated troughs, and wire mesh designs. A cable tray fitting which changes the direction in the same plane. They are reliable, adaptable, lowmaintenance, lowcost and safe choices. Ladder extra wide aluminum rungs are welded to extruded aluminum ibeam siderails. Breaking load for cantilever arm mounted onto wall, see below.
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