Greenlee 38405 bending book discontinued, no replacement bending book, 60 pages of bending information on stub ups, offsets, saddles, and concentric bends. Measure from the end of the conduit and make a mark at 7 inches to indicate the start of the bend. Bending conduit tubing jan 2012 using hand benders. The book includes sections on emt, rigid steel, rigid aluminum, imc, and pvc conduit. Includes charts for 3point saddle bends, conduit gain, offset bends and an offset formula. Add this figure to the center of bend measurement of 1st conduit. Download for offline reading, highlight, bookmark or take notes while you read uglys conduit bending. This book gives you the equations, but shows you just what you need to know in order to successfully bend the pipe quick and accurately. Jun, 2012 conduit bending how to bend a 3 bend saddle and others bends the correct way duration. Electrical conduit can have many uses other than for electrical applications. Cox ac motor control book current with the 2005 nec.
Electrical conduit benders are available for sizes 12 to 1 14 inch. Electricians guide to conduit bending 3rd third edition. This document will step the beginner through the four main bends which are used by electricians. Then, cut the conduit, scrape off any rough edges, and slide it into the bender so that the place you want the conduit bent lines up with the arrow. Benfield conduit bending manual edition 2 available in paperback.
For now, this is just the start of how i can think of. Download book benfield conduit bending manual in pdf format. If the takeup dimension of your conduit bender is 5 inches, subtract 5 inches from 12 inches, giving you 7 inches. The most complete book on conduit bending ever published. The book also covers the operation of mechanical, electrical, and hydraulic benders. In our example, the conduit needs to extend horizontally 12 inches from the vertical portion of the conduit. To make bends is to turn or force from straight to curve or angular. Conduit bending and fabrication with quick reference guide by american technical publishers, in parnership with njatc and a great selection of related books.
A proper bend is made by rolling the conduit about the bender in the conduit s cradle using all foot pressure. Greenlee 38405, bending book, conduitraceway tools, hand. The conduit bending workbook is a true example of a picture is worth a thousand words. Benfield conduit bending manual edition 2 by jack benfield. Multiply the cc measurement of the conduits by the tangent of 12 the bend angle. Electrical conduit bending quickcard by builders book. Conduit bending and fabrication with quick reference guide by american technical publishers, in parnership with njatc and a great selection of related books, art and collectibles available now at. Spiralbound assure accuracy bending with any pipe, pvc, or tube bending tool. How to bend electrical conduit for beginners youtube. In part two, well look at how to make an end bend and an offset. A trusted and industryrecognized alternative to the currently published material, coffmans method of conduit bending offers electricians. Bendworks software was designed to help electrical contractors adopt the building information.
A comprehensive guide on how to bend conduit, with instructions on how to bend 90s, offsets, saddles, and even concentric bends. The resting condition of the conduit is to be at the final angle desired. Use the correct size bender for the conduit size being bent. This little book was created from many different books, but mainly from the one that has helped me to bend conduit for many years. Optimize the design of conduit runs for more efficient and accurate fabrication. For the first time, there is a wellorganized, comprehensive reference tool for bending conduit available in both print and cd formats. Heated pvc pipe benders are available in a variety of sizes. Nov 03, 2015 i demonstrate some basics about bending cheap electrical conduit and make a stand for my homemade bbg smoker. Whether youre bending stubs, offsets, saddles, or ubends in emt, imc, pvc coated or rigid conduit, greenlee has the bender to take on the job. Insert the conduit into the bender so that the arrow is aligned with the bending mark. Its written like a textbook with examples, sample problems, and has over 150 photographs and illustrations. No guess work will be involved in the process of making any bend. Electrical level 2 conduit bending flashcards quizlet. Calculate conduit bend marks for a compound 90 to avoid a round, square or rectangular object in a corner.
Electrical conduit can have many uses other than for. Updated to reflect the 2017 national electrical code nec, uglys conduit bending, 2017 edition, is a quick, onthejob reference specifically designed to provide the most commonly required information on how to properly bend conduit, including information on bending types and techniques. Uglys conduit bending is a quick, onthejob reference specifically designed to provide the most commonly required information on how to properly bend conduit, including information on bending types and techniques. In case you overbend, use the back pusher or the expanded end of the bender handle to straighten your conduit to fit the job. Cox plc book that explains what is a plc, how they work, and how to program them. Stop bending when the pin is in line with the appropriate angle mark. Formulas and multipliers for bending conduit or electrical pipe updated on october 5, 2017 helpful formulas for bending electrical conduit very few beginning electricians are taught anything beyond the most basic instructions for bending electrical conduit pipe emt, electrical metallic tubing. Hydraulic pipe benders are available for larger sizes of electrical conduit and rigid pipe. Coffmans method of conduit bending edition 1 by ronald s. Major emphasis is placed on learning the fundamentals required when bending emt and rigid conduit. If the hickey has a mark that reads 0, line up that mark with the bend mark.
Expanded by 50 pages, the book will show you stepbystep how to bend stubs, ninety degree bends, offsets, kicks, saddles, layout for segment bending, segment bends, concentric bends, etc. Some over bending may be required to allow for spring back of the conduit. Much better than other conduit bending books that teach you very drawn out mathematical ways to solve for a 90 degree bends, offsets, and saddles. Klein tools has provided the correct stub height on each bender head. Benfield conduit bending manual, bending electrical conduit. This workbook is filled with pictures showing you the position of the hands, feet, bender head, direction of bend, conduit on floor, conduit in the air, foot pressure, hand pressure, etc.
Conduit bending and fabrication includes numerous stepbystep procedures showing the proper methods of bending emt and rigid conduit. Deluxe electric bender backtoback bend any ushaped bend formed by two parallel 90 bends with a straight section of conduit or pipe between the bends. Repeatable conduit bending bending conduit is best done with a partner. Proper alignment of the guideline with arrows on bender hook will result in the saddle being in a. This 4page laminated card guide to provides the essential electrical conduit bending information used in architectural plans and engineering drawings. An ideal tool for electricians, contractors, instructors, and students, this essential pocket guide uses diagrams, calculations, illustrations, photos, and quick explanations to. Conduit bending and fabrication includes numerous stepbystep procedures showing the proper methods of conduit bending. Electricians guide to conduit bending 3rd edition and. When bending on the floor, pin the conduit to the floor. Bending conduit tubing jan 2012 using hand benders by bill bamford provided by. On the conduit, measure from the free end to be bent up the calculated number and mark the conduit. Cox conduit bending book will show you how to bend stubs, ninety degree bends, offsets, kicks, saddles. To familiarize readers with this methodology, the book begins with an introduction to conduit bending and the associated theories. Greenlee 38405, bending book, conduitraceway tools.
Reverse tube in bender and place b on bender at x on tube. When bending two or more offsets it is necessary to advance the centers of the bends for the progressive conduits in order to maintain an equal center to center spacing. Conduit bending or it may be more proper to call it the curving of tubing. Feb 11, 2020 before bending conduit, measure the length of conduit youll need, making sure to add some length for each bend youll be making. Conduit bending and fabrication for emt and rigid conduits. Calculate the adjustment for the starting point of an offset to make your offsets parallel.
Contents electric benders 145 accessory shoe groups 149 hydraulic benders 152 hydraulic pumps 161 hand benders 163 mechanical benders 164. The most popular raceway is the electrical metallic tubing, better known as thinwall or emt. Resources for electricians the ability to bend conduit and tubing raceways is a requirement for all electricians. Thank you to the man that wrote professor browns guide to conduit bending. Pull up on your bender handle until the conduit is vertical. Well, to all conduit bending there is what i like to refer to as art. Offset, saddle bends and various installation situations. It is an ideal reference for any electrician or maintenance technician. Expanded by 50 pages, the book will show you stepbystep how to bend stubs, ninety degree bends. Nov 05, 2010 uglys conduit bending ebook written by alan w. Formulas and multipliers for bending conduit or electrical. Reference to the above steps 1, 2, and 3 will be made throughout this booklet. Coverage then progresses to include coverage of three and fourpoint saddles, 90 degree bends, and segment bending. If conduit is bent at a sharp angle to where the conduit is kinked, it then makes the pulling of the wire more difficult.
Use an emt bender to bend 30 kick in the pvc conduit by bending it to 60 and then the conduit will spring back to 30. Tube bending simplified conduit tube bending with ease. Tube bending simplified conduit tube bending with ease and. You can read online benfield conduit bending manual here in pdf, epub, mobi or docx formats. The ability to bend conduit and tubing is a requirement for all electricians. Electricians guide to conduit bending 3rd edition and nodog level 9789998210141. The cosine, or cos of the angle o is the length of the side adjacent to the angle o divided by the length of the hypotenuse. The major emphasis of the book is on learning the fundamentals required when bending emt and rigid conduit. The electrician must use caution when bending raceways to make sure that it maintains its round shape throughout the bent portion of the. Cox conduit pipe bending book coxco training and consulting. So, where is the art in bending conduit come into play.
Calculate conduit bend marks for a threebend saddle, by entering saddle height and choosing bend angles. Breaks down the processes just like you would do it in the field. Conduit bending how to bend a 3 bend saddle and others bends the correct way duration. Detailed illustrations clarify key steps in methodology and allow for greater comprehension. Pvc and only for small bends, but it is fast and pretty acc urate. An ideal tool for electricians, contractors, instructors, and students, this essential pocket guide uses diagrams, calculations. Illustrated bending glossary offset height greenlee textron subsidiary of textron inc. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Electrical books for electricians, craftsman, construction and maintenance. This widely accepted method has saved many electricians time, effort, and money. Sep 06, 2017 calculate conduit bend marks for a threebend saddle, by entering saddle height and choosing bend angles.
A technicians guide to low and mediumvoltage circuit breakers commercial and industrial wiring conduit bending and fabrication digital multimeter principles electric motor drive installation and troubleshooting electrical math principles and applications electrical motor controls for. If your bend isnt perfect, you can adjust it by moving the hickey a little to one side of the bend and pulling slightly. Conduit bending and fabrication quick reference guide. When bending in the air, exert pressure as close to your body as possible. Before bending conduit, measure the length of conduit youll need, making sure to add some length for each bend youll be making. A comprehensive guide for electricians on how to bend emt conduit. Coffmans method of conduit bending edition 1 by ronald. This document will step the beginner through the five main bends that are used by electricians. This is the most complete book on conduit bending published to date.