A trough must be fitted with one or more cable trays. In this case, the cable trays must be attached to one of the side walls. 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. Single rail cable tray 1 ladder cable tray generally used in applications with intermediate to long support spans 12 to 30 feet. Bline has recognized the need for a complete cable tray reference source for electrical engineers and designers. Practices for grounding and bonding of cable trays photo credit. For adequate space for cable installation and maintenance, sufficient space shall be provided and maintained above cable tray, ladder and trunking. 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. In the electrical wiring of buildings, a cable tray system is used to support insulated electrical cables used for power distribution, control, and communication. In contrast to construction drawings, these drawings are not final and executory, and may contain some technical inaccuracies.
For detailed width load testing, please refer to cabletraysystemstechnicalbulletin. Concepts of route point drawing a cable tray routing drawing is a road map that is used to identify which path shall be used to route cable to a particular area of the plant. Installation guide unitray cable tray systems, support. Drawings and general provisions of the contract, including. Nema standards publication ve 22006 cable tray, cable bus. Bline has recognized the need for a complete cable tray re f e rence source for electrical. To draw a cable tray or conduit run autocad mep 2018. Method statement for installation of cable tray or trunking. Beama best practice guide to cable ladder and cable tray systems including channel support systems and other associated supports companies involved in the preparation.
The overall cable tray dimensions typically exceed the nominal tray width and loading depth. It is the predominate cable tray type due to its many desirable features. Cable tray wiring systems are well suited for computer aided design drawings. With a full range of cable support solutions, we offer one of the lowest lifetime cost of ownership. Related sections include the following 2004 edition. All metallic cable trays shall be grounded as required in article 250. The following recommendations are intended to be a practical guide to ensure the safe and proper installation of cable ladder and cable tray systems and channel support and other support systems. Typically used by all industries as a low cost way to connect equipment to main cable tray systems ventilated or solid bottom designs. How to model cable tray using basic autocad youtube. The books homepage helps you explore earths biggest bookstore without ever leaving the comfort of your couch.
Fasten and support cables that pass from one cable tray to another or drop from cable trays to equipment enclosures. To show a vertical rise in the drawing area at a specific elevation, do the following. Where sizes of cable trays trunking are not detailed on drawing then tray shall be adequately sized to support the cables without bunching and a 25% reserve margin shall be allowed in size and weight be loaded. It offers an overview of construction drawing basics as well as thorough coverage of standard construction sequence, including site work,foundations, structural systems, and interior work and finishes. Eaton offers computer aided design software for cable tray. Cable tray systems are defined to include, but are not limited to straight sections of ladder type trough type solid bottom type channel type cable trays, bends, tees, elbows, dropouts, supports, and accessories.
Identification products, labeling services marking services. Cable trays cable tray fittings cable tray accessories cable tray support system concrete support anchors how to order contact us index cable tray catalogue 4 22 38 52 62 70 84 88. Ladder cable tray is used for about 75 percent of the cable tray wiring system installations. Cable tray and cable management nema catalog eaton. This is a multiconductor cable that most often has a nonmetallic jacket. Aug, 2011 ladder cable tray is used for about 75 percent of the cable tray wiring system installations.
Thousands of miles of itc cable have been installed in industrial situations since the early 1960s. This cable tray support system drawing has isometric view and crosssectional view. F transmission line standards optical ground wire assemblies 88. Best practice guide to cable ladder and cable tray systems. Channel cable tray accessories eaton e7 bline series cable tray systems. Jan 26, 2004 this pioneering textbook details how construction drawings are used to implement the construction process. For best results and most sturdy support, it is recommended to utilize all mounting screws. E fiber optic cable mounting downlead clamps and bands 87. Introduction the bline cable tray manual was produced by blines technical staff. Drawing cable tray revit products autodesk knowledge network. Electrical drawing is an important engineering subject taught to electricalelectronics engineering students both at degree and diploma level institutions. Review the drawings before any actual estimating begins, you should first become familiar with the job. To draw a cable tray or conduit run autocad mep 2019. The positioning of cables in the cable tray must allow any cable to be removed without having to work on the entire layer.
This drawings are started once cable raceway drawing is approved by client. Then, with just a couple of clicks, easily download design content in one of nearly 100 different cad, bim, pdms. Eatons bline business is a global provider of innovative, laborsaving cable management systems, support systems, and enclosure solutions for engineered facility subsystem applications. Following are the steps to be done for laying cables on wall mounted cable tray. For more information on cable tray seismic bracing solutions, please refer to our seismic bracing catalog, and the state of. Msi offers a number of options for cable markers to allow you to identify all junctions, branches and trays leading to equipment. A fabricated structure consisting of a bottom without ventilation openings within separate longitudinal side rails. Ansiieee standard device numbers 1 master element 2 time delay starting or closing relay 3 checking or interlocking relay 4 master contactor. Dwg pdf cable tray expansion guide and holddown clamp installation with sbt 121516 dwg pdf cable tray expansion guide and holddown clamp installation with xbt 4417 dwg pdf cable tray expansion guide assembly struttosteel with sbt 121516 dwg pdf cable tray expansion guide assembly struttosteel with xbt 4417. A device that joins cable tray straight sections or fittings, or both. C transmission line standards station post jumper insulator assemblies 89. By downloading and using any arcat cad drawing content you agree to the following license agreement.
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. Access a range of file formats and content for specific software solutions here. The bulletin is advisory in nature, informational in content, and is intended to assist employers in providing a safe and healthful workplace. The program includes all nema and iec bline series cable tray, cable ladder and pan tray products. In the cable tray layout preferences dialog box on the routing tab, select automatically create riser at new elevation. Complete cable tray manual for electrical engineers and.
Spwctg zinc plated steel shwctg steel hot dip catalogue number material expansion guide for single or double runs of cable tray. All braces and supports adequate to handle weight of tray and cable. Cable designers guide how to specify cable insulated conductors specify quantity, gauge, stranding and insulation type for the conductors. Individual rungs will support without collapse a 200 lb. Pfd is used to capture the main process equipments, main process stream, processdesign conditions in these equipments and the basic process control scheme in a single drawing. Safely installing, maintaining and inspecting cable trays this safety and health information bulletin shib is not a standard or regulation, and it creates no new legal obligations. Devices that are used to supplement the function of straight sections and fittings, and include such items as dropouts, covers, conduit adapters, holddown devices, and dividers. A braid is the standard coaxial cable outer conductor. The size, length and intervals of the support to be as per the specification. The methods set forth are not difficult, nor are they technical. Here youll find current best sellers in books, new releases in books, deals in books, kindle ebooks, audible audiobooks, and so much more. Power cable installation guide figure f5 multiple sheaves figure f6 sheave arrangements for feeding into cable tray training radius the training radius is the final positioning of cable ends after the cable has been placed in the raceway. Plan drawings cable tray fill calculations are verified all cable tray sections are identified. Now compatible with all versions of autocad up to 20.
Cable trays for electrical systems electrical free cad drawings. For cable tray installersthis publication is intended as a practical guide for the proper installation of cable tray systems. The course content generally covers assembly and working drawings of electrical machines and machine parts, drawing of electrical circuits, instruments and components. The part files placed into the assembly file are missing, therefore, the assembly file is not usable. Then you have drawed the cable tray in to the high you wanted. 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. Route points are marked whenever cable changes its path. The purpose of this manual is to introduce an organized method of electrical estimating that will enable the estimator to obtain a complete bill of materials both accurately and quickly. Designed to organize all cables in and around your wood desk, the wirerun desk cable organizer is a sturdy basket tray made of highquality powder coated steel with mounting holes. Complete cable tray manual for electrical engineers and designers. Select your tray size and begin drawing and generate your bom. When drawing cable tray without fittings, if you draw cable tray across existing cable tray at the same elevation, then either the new cable tray will be broken if they are the same size, or the smaller of the two cable tray runs will be broken. By downloading and using any arcat cad drawing content you agree to. Cable tray wires must be cut with sideaction bolt cutters.
The cable length between cable trays or between cable tray and enclosure shall be no more than 72 inches 1800 mm. Ladder, trough, center rail, wire basket and channel. These trays may be made of wire mesh, called cable basket, or be designed in the form of a single central spine rail with ribs to support the cable on either side. Channel tray provides an economical support for cable drops and branch cable runs from the backbone cable tray system. Autocad 2d basics tutorial to draw a simple floor plan fast and efective.
Cable tray and conduit sizing excel sheet free download. Flexible conduit with proper bending radius and whit standard fittings. Cable tray systems provide rigid structural support for cables in a variety of commercial and industrial applications. Cospec is packed with features like the new cad bim pdms submittal catalog which offers the ability to select and view bline series products in 2d and 3d. Below drawing shows how to install cable tray and its support system. 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. Jun 26, 2018 cable tray is a bridge that allows safe transport of wires across open areas and gives protection against the overheating and fire problems.
In cadprofi program it is possible to create plans and installations crosssections that include trays, ducts and protective tubes. 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. Due to the ratio of ladder tray s bulk to its weight, the freight costs for tray are higher than other metallic products. When drawing an installation line elements and fittings are available elbows, reducers, tees etc. Use our unique cablofil autocad 2d addon to quickly design your cablofil wire mesh cable management system.
Responsibility of costs determining responsibility of costs who pays for what is extremely important. Download the cablofil autocad tools addon today and get started planning your cable management system. The free drawings are conceptual in nature, and were used only for budgetary or bidding purposes. Draw a line between the maximum and minimum points. 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. This video will demonstrate how to add cable tray, well set a few different offsets, and well configure it as we put it in. Process flow diagram pfd is a drawing which essentially captures the process flow for a processing plant.
Solidworks premium cable trays and duckting youtube. The bline cable tray manual was produced by blines technical staff. Cable trays must be supported in such a way that cables unwound in advance on the ground can be inserted laterally. The final drawings for a cable tray wiring system may be completed and sent out for bid or construction more quickly than for a conduit wiring system. Cable tray must be supported on spans shorter than or equal to the length of the cable tray being installed. The maximum open spacings between cable support surfaces of transverse elements do not exceed 102 mm 4 in in the direction parallel to the tray side rails rung edge to rung edge. Methods for drawing and editing cablofil routes are presented in the animated presentations bundled with the. Installation of main cable tray only as per attached. To get started, lets jump into our mep electrical drawing. Solidworks premium cable trays and duckting solfins 3d kompanija.
Cable tray trunking shall be stored on site under cover in dry, well ventilated storage facilities. Sample drawings of power distribution projects equipment. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. A ladder cable tray without covers permits the maximum free flow of air across the cables. Metal junction boxes leveled and supported per drawings with proper hubs, locknuts and bushing installed. Draw cable tray, when you are in place where you want to go upperdowner level, right click choose z. If scheduling permits, freight costs for ladder tray can be greatly reduced if shipped with other project items e. These limits should not be used for cables subjected to pulling tensions during installation. If the specifications do not clarify these areas of costs, submit. Best practice guide to cable ladder and cable tray.
Best practice guide to cable ladder and cable tray systems photo credit. Users can download these files to their desktops for import into their. Support locations for cable ladder fittings and cable tray fittings. Installation of cable tray, trunking and accessories. The bline cable tray manual this excel sheet contains formulas for calculating cable tray size and conduit size. To properly evaluate a cable tray wiring system vs. They are logical ideas that have been arranged and put into a simple system. Electrical drawing preparation types of drawings diagrammatic, scaled status of a drawing conceptual, bid, record purpose of a drawing what belongs, what doesnt belong 03072006 11. Safely installing, maintaining and inspecting cable trays. The metal in cable trays may be used as the egc as per the limitations of table 392.
Graphics files in a number of formats including eps. Their widths must steadily decrease from bottom to top and be designed in such a way as to allow access to the internal pathway. Once the design is complete, users can output a full bom in a pdf or excel format. Unused cables, tubes and supports must be removed along the entire length. For example if you have marked at storey high for 3200 and you are going up, mark 3200 for high difference for center elevation.
Cable trays simplify the wiring system design process and reduces the number of details. Cable trays for electrical systems electrical arcat offers free cad blocks, drawings and details for all building products in dwg and pdf formats. Nema standards publication ve 22006 cable tray, cable. Another technique for cable routing is the use of cable tray. The companys continued success is the result of ongoing innovation and the ability of wire cable tray to adapt to any application. Typical electrical drawing symbols and conventions. What the job looks like by drawing a mental picture from the plans. Drawings innovative cable trays, cable management and. Fasten cables to the cable tray at the point of exit and support cables independent of the enclosure. Sharp edges or other things in cable tray, trunking and ladder that are capable of damaging the insulation or cable sheaths should be avoided.