Duplicate procedure placing b on bender at y on tube and complete saddle by making another 22 12 bend. Resources for electricians the ability to bend conduit and tubing raceways is a requirement for all electricians. See more ideas about electrical code, electrical wiring and electrical diagram. Electrical conduit bending quickcard by builders book. The new third edition of this national best selling book on conduit bending is. Klein tools has provided the correct stub height on each bender head. This 4page water resistant card guide to provides the essential electrical conduit bending information. This must have manual is written in a very easy to understand and engaging format. Uglys contains the most commonly required electrical information in an. We would like to show you a description here but the site wont allow us. Mike holts illustrated guide to understanding nec requirements for. In case you overbend, use the back pusher or the expanded end of the bender handle to straighten your conduit to fit the job. The tool should fit the correct sized conduit tube that you need to use.
Conduit bending by tom henry now available on video or dvd. Uglys titles uglys books uglys electrical references. Fit the bent conduit into its final position and mark the finish line on the conduit, as shown. Cliffhanger tools repeatable conduit bending program conduit bend mark stub a length b cut length travel deduct gain b to b 34 imc 6. The sizing requirements for pull boxes, junction boxes, handhole enclosures, and conduit bodies exist to prevent conductor insulation damage. Conversion tables, symbols, charts, wiring diagrams, conduit bending and more. This is the most lightweight app available for conduit bending, and is designed for electricians and apprentices who want an app strictly for quick reference when making saddles and offsets. The calculation for a single cable inside of a conduit reduces to a simple equation. No, the neutral conductor can be used as the circuit equipment grounding conductor for metal parts of equipment, raceways, and enclosures at service equipment 250. The book also provides you with questions which are important for you to prepare for your exam. Bending conduit tubing using hand benders the ability to bend conduit and tubing is a requirement for all electricians. These materials are provided to us by mike holt enterprises in leesburg, fla.
My local inspector believes the bending radius on 500 kcmil conductors entering the back of a 6 inch deep enclosure was violated. A third bend may be acceptable if the total run is less than 33 ft, the conduit size is increased, or one of the bends is located within 12 inches of the cable feed end. Reference to the above steps 1, 2, and 3 will be made throughout this booklet. On the conduit, measure from the free end to be bent up the calculated number and mark the conduit. The fine art of bending conduit can separate the artists from the alsorans on an. Reverse tube in bender and place b on bender at x on tube. Books and combos tom henrys solar division tom henrys electrical books tom henrys book combos. How to bend a stub the stub is the most common bend. When bending in the air, exert pressure as close to your body as possible. Mar 19, 2020 mike holts electrical exam preparation textbook helps you to clear you electrician exam with good results. Mike holts electrical exam preparation textbook helps you to clear you electrician exam with good results.
Understanding the national electrical code, mike holt. Exam preparation, instructor and ceu topics are posted here. Mike holt enterprises the leader in electrical training. Bending conduit tubing jan 2012 using hand benders.
Repeatable conduit bending bending conduit is best done with a partner. Align the bending mark with the tip of the star and bend the. This app allows an electrician or apprentice to select values for offsets and saddles and be presented with the figures to assist in making a professional installation. There are three criteria for maximum conduit fill provided by the nec. Rigid and imc conduit are the hardest raceways to bend because they have a much thicker and harder wall. The finish line on the conduit is the bending mark. Uglys conduit bending, 2017 edition stanfield, alan w. Steel conduit and tubing are called equipment grounding conductors, as are copper or aluminum wire. Mike holts illustrated guide to nec requirements for grounding vs. 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. This section contains information that i hope will help some of you become better conduit benders. If the takeup dimension of your conduit bender is 5 inches. If the takeup dimension of your conduit bender is 5 inches, subtract 5 inches from 12 inches, giving you 7 inches. Electrical formulas and math calculations are not the easiest things in the world to understand or remember.
Proper alignment of the guideline with arrows on bender hook will result in the saddle being in a. Here d cable is the cables outer diameter, and d conduit is the conduits inner diameter. As an example, to bend 34 emt conduit have a free end height of 8. Most electricians still spend most of their time bending and installing conduit.
White papers webinars ebooks library industry experts and advisors digital. Uglys electrical references are designed to be used as an onthejob reference. A bender is an essential for any conduit bending project. Flexible plastic conduit is also sold as lfnc, liquidtight nonmetallic conduit. Mike holt other products conduit bending and fabrication, atp in. An award winning presentation that will show you how to make the bends that are made on the job.
Electricians guide to conduit bending 3rd third edition. Detailed illustrations clarify key steps in methodology and allow for greater comprehension. For electrical topics that do not match any of the other headings. Each area includes information about a particular type of bend or bending technique. Uglys contains the most commonly required electrical information in an easytoread and easytoaccess format. Mike holts illustrated guide to understanding nec requirements. Ecmweb com sites ecmweb com files basic training conduit 0619 1. Plastic conduit can be heated and bent to nonstandards shapes, or preformed. Live presentation, 1 hour and 25 minutes in length. Bending pvc conduit without the use of heat is known as cold field bending. Electricians guide to conduit bending 3rd edition and.
The new third edition of this national best selling book on conduit bending is without a doubt. The major emphasis of the book is on learning the fundamentals required when bending emt and rigid conduit. Well, to all conduit bending there is what i like to refer to as art. In 1974, mike realized there was a need for quality electrical training and opened mike holt. Uglys conduit bending, 2017 edition 2nd edition by alan w. Equipment grounding conductor as defined in the nec. This document will step the beginner through the five main bends that are used by electricians. When bending on the floor, pin the conduit to the floor. Electricians guide to conduit bending 3rd edition and nodog level. Conduit bending and fabrication, atp in partnership with njatc. Mike holt s electrical exam preparation textbook helps you to clear you electrician exam with good results.
Detailed illustrations clarify key steps in methodology. Such coupling meets the requirements of the applicable ul conduit standard. Uglys electrical references builders book depot bookstore. Electrical theory alternating current direct current. A hickey bender is used to bend conduit in small bends with short segments, for instance, in order to bend a 90 bend with this type of bender you. Mike holts electrical exam preparation textbook, based on the 2017 nec. In addition, it is the path by which a fault is transmitted to the overcurrent protection device. Electrical formulas, conversion tables, symbols, charts, wiring diagrams, conduit bending and more. For now, this is just the start of how i can think of. Bending conduit tubing jan 2012 using hand benders by bill bamford provided by. The inspector passed the installation but said he would not the next time.
Mike holt worked his way up through the electrical trade from apprentice electrician through electrical contractor, to become one of the most recognized experts in the world as it relates to electrical power installations. Uglys electrical references book is a popular pocketsized book used by electricians, engineers, contractors, designers, maintenance workers, instructors, and the military. Benfield conduit bending manual, bending electrical conduit. If you read the book in detail you will find out that it has covered all the topics you need to know as an electrician. Mike holts electrical formulas with sample calculations is the book you need in your library to remember and learn more about electrical formulas. He was a journeyman electrician, master electrician, and electrical contractor. This 4page laminated card guide to provides the essential electrical conduit bending information used in architectural plans and engineering drawings. Schedule 40 and 80 pvc conduit frequently asked questions. Uglys conduit bending 2017 description 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. Some areas also include a bending calculator to show the effects. Plastic electrical conduit or rigid pvcu pipe specified as electrical nonmetallic tubing ent conduit, shown in our photographs here, is easier to cut than metallic conduit products.
Check your knowledge of the fundamentals of bending conduit. In other occasions, students will be exposed to variations of the same themes, and the basic procedures. 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. 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.