Drawings and general provisions of the contract, including general and supplementary conditions and division 1 specification sections, apply to this section. 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. Drawing cable tray revit products autodesk knowledge network. 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. Responsibility of costs determining responsibility of costs who pays for what is extremely important. Autocad 2d basics tutorial to draw a simple floor plan fast and efective. A ladder cable tray without covers permits the maximum free flow of air across the cables. The bulletin is advisory in nature, informational in content, and is intended to assist employers in providing a safe and healthful workplace. If the specifications do not clarify these areas of costs, submit. 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. In contrast to construction drawings, these drawings are not final and executory, and may contain some technical inaccuracies.
Fasten cables to the cable tray at the point of exit and support cables independent of the enclosure. Spwctg zinc plated steel shwctg steel hot dip catalogue number material expansion guide for single or double runs of cable tray. E fiber optic cable mounting downlead clamps and bands 87. 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. In cadprofi program it is possible to create plans and installations crosssections that include trays, ducts and protective tubes. 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. Unused cables, tubes and supports must be removed along the entire length. Complete cable tray manual for electrical engineers and designers. To get started, lets jump into our mep electrical drawing. 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. It is the predominate cable tray type due to its many desirable features. Metal junction boxes leveled and supported per drawings with proper hubs, locknuts and bushing installed.
Another technique for cable routing is the use of cable tray. Cable trays for electrical systems electrical free cad drawings. C transmission line standards station post jumper insulator assemblies 89. 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.
Related sections include the following 2004 edition. For cable tray installersthis publication is intended as a practical guide for the proper installation of cable tray systems. Route points are marked whenever cable changes its path. 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 tray and conduit sizing excel sheet free download. In the cable tray layout preferences dialog box on the routing tab, select automatically create riser at new elevation. Trays may be made of solid steel wire for lightduty applications such as instrument signal cabling or computer network cabling, or they may be made of steel or aluminum channel for heavyduty. 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. When drawing an installation line elements and fittings are available elbows, reducers, tees etc. 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. Below drawing shows how to install cable tray and its support system.
Safely installing, maintaining and inspecting cable trays. The cable length between cable trays or between cable tray and enclosure shall be no more than 72 inches 1800 mm. Bline has recognized the need for a complete cable tray re f e rence source for electrical. Drawings and general provisions of the contract, including. All braces and supports adequate to handle weight of tray and cable. Eaton offers computer aided design software for cable tray. Cable trays for electrical systems cad drawings arcat. Eatons bline business is a global provider of innovative, laborsaving cable management systems, support systems, and enclosure solutions for engineered facility subsystem applications. 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. Due to the ratio of ladder tray s bulk to its weight, the freight costs for tray are higher than other metallic products. Then you have drawed the cable tray in to the high you wanted. Single rail cable tray 1 ladder cable tray generally used in applications with intermediate to long support spans 12 to 30 feet.
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. Ladder, trough, center rail, wire basket and channel. For detailed width load testing, please refer to cabletraysystemstechnicalbulletin. Cable tray wiring systems are the preferred wiring system when they are evaluated against equivalent conduit wiring systems in terms of safety, dependability, space and cost. Access a range of file formats and content for specific software solutions here. In this case, the cable trays must be attached to one of the side walls. The bline cable tray manual this excel sheet contains formulas for calculating cable tray size and conduit size. F transmission line standards optical ground wire assemblies 88. The size, length and intervals of the support to be as per the specification.
Draw a line between the maximum and minimum points. Flexible conduit with proper bending radius and whit standard fittings. The overall cable tray dimensions typically exceed the nominal tray width and loading depth. Typical electrical drawing symbols and conventions.
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. Then, with just a couple of clicks, easily download design content in one of nearly 100 different cad, bim, pdms. All metallic cable trays shall be grounded as required in article 250. Nema standards publication ve 22006 cable tray, cable. The positioning of cables in the cable tray must allow any cable to be removed without having to work on the entire layer. By downloading and using any arcat cad drawing content you agree to the following license agreement.
The part files placed into the assembly file are missing, therefore, the assembly file is not usable. 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. A trough must be fitted with one or more cable trays. Once the design is complete, users can output a full bom in a pdf or excel format. Now compatible with all versions of autocad up to 20. 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. The books homepage helps you explore earths biggest bookstore without ever leaving the comfort of your couch. The methods set forth are not difficult, nor are they technical. Introduction the bline cable tray manual was produced by blines technical staff.
Bline has recognized the need for a complete cable tray reference source for electrical engineers and designers. Solidworks premium cable trays and duckting youtube. Here youll find current best sellers in books, new releases in books, deals in books, kindle ebooks, audible audiobooks, and so much more. Support locations for cable ladder fittings and cable tray fittings. Thousands of miles of itc cable have been installed in industrial situations since the early 1960s. The companys continued success is the result of ongoing innovation and the ability of wire cable tray to adapt to any application. For more information on cable tray seismic bracing solutions, please refer to our seismic bracing catalog, and the state of. Ladder cable tray is used for about 75 percent of the cable tray wiring system installations.
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. Cable tray trunking shall be stored on site under cover in dry, well ventilated storage facilities. Electrical drawing is an important engineering subject taught to electricalelectronics engineering students both at degree and diploma level institutions. Drawings innovative cable trays, cable management and. Cable tray wires must be cut with sideaction bolt cutters. 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. Method statement for installation of cable tray or trunking. 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.
Individual rungs will support without collapse a 200 lb. Best practice guide to cable ladder and cable tray systems photo credit. Practices for grounding and bonding of cable trays photo credit. The metal in cable trays may be used as the egc as per the limitations of table 392. Download the cablofil autocad tools addon today and get started planning your cable management system.
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. This drawings are started once cable raceway drawing is approved by client. Select your tray size and begin drawing and generate your bom. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The bline cable tray manual was produced by blines technical staff. With a full range of cable support solutions, we offer one of the lowest lifetime cost of ownership. Channel cable tray accessories eaton e7 bline series cable tray systems. Process flow diagram pfd is a drawing which essentially captures the process flow for a processing plant. Cable tray wiring systems are well suited for computer aided design drawings.
Installation guide unitray cable tray systems, support. How to model cable tray using basic autocad youtube. A fabricated structure consisting of a bottom without ventilation openings within separate longitudinal side rails. This video will demonstrate how to add cable tray, well set a few different offsets, and well configure it as we put it in. Identification products, labeling services marking services. Draw line d horizontally at the temperature the cable ladder or cable tray is to be. Review the drawings before any actual estimating begins, you should first become familiar with the job. 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. Best practice guide to cable ladder and cable tray systems. 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. This autocad drawing can be used in your mechanical design cad drawings.
Following are the steps to be done for laying cables on wall mounted cable tray. Beama best practice guide to cable ladder and cable tray systems including channel support systems and other associated supports companies involved in the preparation. 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. The free drawings are conceptual in nature, and were used only for budgetary or bidding purposes. To show a vertical rise in the drawing area at a specific elevation, do the following. To properly evaluate a cable tray wiring system vs. Use our unique cablofil autocad 2d addon to quickly design your cablofil wire mesh cable management system.
Cable tray and cable management nema catalog eaton. In the electrical wiring of buildings, a cable tray system is used to support insulated electrical cables used for power distribution, control, and communication. For best results and most sturdy support, it is recommended to utilize all mounting screws. Best practice guide to cable ladder and cable tray. Sample drawings of power distribution projects equipment. 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. Eaton customers can download the free software online avoiding the high cost associated with creating models from scratch and timeconsuming project rework. If scheduling permits, freight costs for ladder tray can be greatly reduced if shipped with other project items e. 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. What the job looks like by drawing a mental picture from the plans.
Nema standards publication ve 22006 cable tray, cable bus. Users can download these files to their desktops for import into their. They are logical ideas that have been arranged and put into a simple system. 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. Fasten and support cables that pass from one cable tray to another or drop from cable trays to equipment enclosures. Cable trays must be supported in such a way that cables unwound in advance on the ground can be inserted laterally. Draw cable tray, when you are in place where you want to go upperdowner level, right click choose z. 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. Channel tray provides an economical support for cable drops and branch cable runs from the backbone cable tray system. Methods for drawing and editing cablofil routes are presented in the animated presentations bundled with the. 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. Solidworks premium cable trays and duckting solfins 3d kompanija. These limits should not be used for cables subjected to pulling tensions during installation. Cable designers guide how to specify cable insulated conductors specify quantity, gauge, stranding and insulation type for the conductors.
The program includes all nema and iec bline series cable tray, cable ladder and pan tray products. Graphics files in a number of formats including eps. Cable trays simplify the wiring system design process and reduces the number of details. Installation of main cable tray only as per attached. 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. Cable tray systems provide rigid structural support for cables in a variety of commercial and industrial applications.
Installation of cable tray, trunking and accessories. Cable trays for electrical systems electrical arcat offers free cad blocks, drawings and details for all building products in dwg and pdf formats. Download this free 2d cad drawing of cable trays including various widths. Complete cable tray manual for electrical engineers and. Plan drawings cable tray fill calculations are verified all cable tray sections are identified. 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. Sharp edges or other things in cable tray, trunking and ladder that are capable of damaging the insulation or cable sheaths should be avoided. Ansiieee standard device numbers 1 master element 2 time delay starting or closing relay 3 checking or interlocking relay 4 master contactor. Cable tray must be supported on spans shorter than or equal to the length of the cable tray being installed. A device that joins cable tray straight sections or fittings, or both. The course content generally covers assembly and working drawings of electrical machines and machine parts, drawing of electrical circuits, instruments and components. Jan 26, 2004 this pioneering textbook details how construction drawings are used to implement the construction process. Aug, 2011 ladder cable tray is used for about 75 percent of the cable tray wiring system installations.
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