154 Section 3 Installation Copyright Goodheart-Willcox Co., Inc. Summary • Raceways are complete systems for enclosing and protecting wiring. They include conduit or tubing, boxes, and fi ttings. fi • Types of rigid conduit and tubing include EMT, IMC, RMC, and rigid PVC. Flexible raceway materials include ENT, FMC, and LFMC. • RMC, IMC, and PVC conduit can be used interchangeably in many applications, but PVC cannot be used to support fixtures. fi • Most conduit and tubing can be custom- bent on the jobsite or can be installed with prefabricated bends and other fi ttings for fi routing. • The NEC has specifi requirements for fic raceway applications and installation, including maximum mounting distances, suitable locations, and preparation procedures. Internet Resources The following companies provide additional information related to the topics in this chapter. Use a search engine to fi nd the company’s home fi page and explore the resources available on the website. Wireman. Retailer of specialty electrician tools. Website includes a regularly updated apps section that lists popular apps for conduit bending and other reference tools for electricians. Ideal Industries. Manufacturer of electrical tools and supplies. Website features an illustrated Bender Guide covering the basics of conduit bending. The “Product Videos” page has several detailed videos on conduit bending calculation and technique. Rigid. Manufacturer of pipe vises and cutting and threading tools useful for working with metal conduit. Review Questions Answer the following questions using the information provided in this chapter. 1. True or False? When wiring with rigid metal conduit, a grounding conductor is required. 2. When rigid conduit is cut, it is important that it be _____ to remove any sharp burrs that could damage the _____ _ _ during wire installation. 3. Intermediate metal conduit is commonly sold in which of the following lengths? A. 3′ B. 6′ C. 8′ D. 10′ E. 12′ 4. A(n) _____ bend is used when the conduit has to turn 90°. 5. Shortening of conduit length due to bends is known as _____. 6. Flexible metal conduit is also called _____. 7. LFMC stands for _____. 8. True or False? Electrical metallic tubing cannot be used as an equipment ground. 9. Which article of the NEC outlines rules regarding rigid metal conduit? 10. Which article of the NEC outlines rules regarding rigid PVC conduit? 11. PVC conduit bends are made by first fi _____ the conduit. 12. True or False? PVC conduit can be direct buried. 13. FMC must be mounted within _____ inches of a box and every _____ _ _ feet thereafter. 14. A(n) _____ is a shallow bend that allows fl ush- fl fl mounted conduit to reach a box knockout. 15. True or False? Surface-mount raceways are allowed in both dry and damp locations. Know the Code A copy of the NEC 2017 is required to answer these questions. 1. What is the title of Section 250.118? 2. What does the informational note in Section 320.10 state?