Solution Manual for Electrical Wiring Commercial | 18th Edition | Phil Simmons | Complete Answer Key for Chapters 1–21|ISBN: 9780357767108

Solution Manual for Electrical Wiring Commercial, 18th Edition by Phil Simmons
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All Chapters Covered 1-
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21| Verified Questions & accurate Solutions for Exam Preparations| A+
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1|Page

,Solution and Answer Guide
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CHAPTER D G 1: COMMERCIAL
DG D G BUILDING D G PLANS D G AND D G SPECIFICATIONS


TABLE OF CONTENTS
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Review .......................................................................................................................................................... 1



Note to instructor: It is recommended that students be required to respond, where appropriate, wi
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th answers that are complete sentences.
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REVIEW

Refer to the National Electrical Code or the working drawings when necessary. Where applic
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able, responses should be written in complete sentences.
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1. What section of a commercial building’s specification contains a list of contr
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act documents? dg




Answer: A list of the contract documents is contained in General Clauses and Co
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nditions. A listing of the Commercial Building contract documents is presented in
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this chapter under the heading ―Commercial Building Plans.‖ The instructor may wish to
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have the students check over this listing and compare it with the plans provided.
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2. The requirement for temporary light and power at the job site will be found in what
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portion of a commercial building’s specification?
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Answer: The Supplementary General Conditions specifies the job site requirements for
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temporary light and power. In some contracts, this electrical system becomes the respo
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nsibility of the general contractor; in other contracts, it is the electrical contractor’s respo
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nsibility to install and maintain the temporary electrical system. The instructor may wish
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to refer the student to NEC Article 590 and discuss the requirements in detail.
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,3. The electrician uses the Schedule of Working Drawings for what purpose?
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Answer: The electrician uses the Schedule of Working Drawings to determine whet
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her all of the drawings are at hand. The information on ―the other sheets‖ may be very i
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mportant, especially in coordinating with other contractors.
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4. Complete the following items by indicating the letter(s) designating the correct
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source(s) of information:
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No. Answer Item Information

4. Sections Ceiling height dg Sections, Sheet A6 d g d g




5. Electrical d Electrical receptacle dg d Electrical symbol schedule, Chapter 2,
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symbol
g dg style
g Figure 2–6 dg



schedule

6. Electrical d Electrical outlet dg Electrical layout drawings, Sheets El,
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layout dr
g dg location
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awings

7. Elevations d g Exterior wall finishes dg dg Elevations, Sheets A4 and A5 d g d g d g d g




8. Site plan dg Grading elevations dg Site plan, Sheet A4
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9. Electrical d Panelboard schedules d g Electrical layout drawings, Sheet E4
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layout dr
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awings

10. Architectural dg Room width dg



floor plan dg Architectural floor plan, Sheets Al, dg dg dg dg d



A2, and A3
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11. Architectural dg Swing of door d g d g Architectural floor plan, Sheets Al, A2, dg dg dg dg dg



floor plan dg and A3 dg




12. Sections View of interior wall
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Match the items on the left with those on the right by writing the letter designation of the a
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ppropriate organization from the list on the right.
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13. NEC Electrical Code dg National Electrical Code (NEC)dg dg dg




14. IAEI Electrical inspectors dg
International Association of Electrical dg dg dg dg



Inspectors (IAEI) dg



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, 15. NFPA Fire codes dg National Fire Protection Association dg dg dg



(NFPA)

16. IESNA Lighting information dg Illuminating Engineering Society of d g d g d g



North America (IESNA) dg dg




17. UL Listing service dg Underwriters Laboratories, Inc. (UL) dg dg dg




18. NEMA Manufacturers’ National Electrical Manufacturers dg dg d g



standards Association (NEMA) dg




19. PE Seal Professional Engineer (PE) d g d g




Match the items on the left with those on the right by writing the letter designation of the pr
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oper level of NEC interpretation from the list on the right.
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20. with special dg Allowed by the Code dg dg dg Shall be permitted, or Shall not be
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permission
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21. with special dg May be done dg dg



permission
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ot be required, NEC
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22. shall Must be done d g d g Shall, National Electrical Code
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23. shall Required by the Code dg dg dg Shall, National Electrical Code
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24. never Up to the electrician
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required, NEC dg




25. Find NEC 250.52(A)(5) and record the first four words.
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Answer: The first four words of NEC 250.52(A)(5) are Rod and pipe electrodes.
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Show required conversion calculations for problem 26 and problem 27.
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26. Luminaire style F is four feet long. The length in SI units, as specified by the NEC, is
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Answer: The length in SI units is 1.22 m; 4 ft × 0.3048 m/ft = 1.2192 m. As will be discu
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ssed later, this luminaire is now called a 4 by 2 or the equivalent 1200 by 600 in metric t
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erms. This question assumes that the luminaire is exactly 4 ft long.
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27. The gross area of the drugstore basement is 1395 square feet. The area in square
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meters is dg




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