Solutions Manual for Electrical Wiring Commercial 18th Edition by Phil Simmons | Complete Guide A+ Step-by-Step Solutions for Electrical Technology Students

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Solutions Manual for Electrical Wiring Commercial 18th b b b b b b




b Edition by Phil Simmons A+ b b b b




Solution and Answer Guide b b b




SIMMONS/ODE, ELECTRICAL WIRING COMMERCIAL, 18E © 2024, 9780357767115; B B B B B B B




CHAPTER 1:COMMERCIAL BUILDING PLANS AND SPECIFICATIONS
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TABLE OF CONTENTS B B




Review .......................................................................................................................................................... 1



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

Refer to the National Electrical Code or the working drawings when necessary. Where applicable,
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b responses should be written in complete sentences.
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1. What section of a commercial building’s specification contains a list of contract
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b documents?
Answer: A list of the contract documents is contained in General Clauses and Conditions. A listing
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b of the Commercial Building contract documents is presented in this chapter under the heading
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“Commercial Building Plans.” The instructor may wish to have the students check over this listing
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b 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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b portion of a commercial building’s specification?
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Answer: The Supplementary General Conditions specifies the job site requirements for temporary
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b light and power. In some contracts, this electrical system becomes the responsibility of the general
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b contractor; in other contracts, it is the electrical contractor’s responsibility to install and maintain the
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temporary electrical system. The instructor may wish to refer the student to NEC Article 590 and
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b 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 whether all of the
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b drawings are at hand. The information on “the other sheets” may be very important, especially in
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b coordinating with other contractors.
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4. Complete the following items by indicating the letter(s) designating the correct source(s) of
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b information:
No. Answer Item Information

4. Sections Ceiling height b Sections, Sheet A6 b b




5. Electrical Electrical receptacle b Electricalsymbolschedule, Chapter b b b




symbol
b b style b 2,Figure 2–6 b




schedule
b




6. Electrical Electrical outlet b Electrical layout drawings, Sheets b b b




layout
b b location b El,E2, and E3 b b




drawings
b




7. Elevations Exterior wall finishes b b Elevations, Sheets A4 and A5 b b b b




8. Site plan b Grading elevations b Site plan, Sheet A4
b b b




9. Electrical Panelboard schedules b Electrical layout drawings, Sheet E4 b b b b




layout
b




drawings
b




10. Architectural Room width b Architectural floor plan, Sheets Al, b b b b




floor plan
b b b A2,and A3 b




11. Architectural Swing of door b b Architectural floor plan, Sheets Al, b b b b




floor plan
b b b A2,and A3 b




12. Sections View of interior wall
b b b Sections, Sheet A6 b b




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Match the items on the left with those on the right by writing the letter designation
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b ofthe appropriate organization from the list on the right.
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13. NEC Electrical Code b National Electrical Code (NEC) b b b




14. IAEI Electrical inspectors b
InternationalAssociationof b b




b ElectricalInspectors (IAEI) b




15. NFPA Fire codes b NationalFire Protection Association
b b b




b (NFPA)

16. IESNA Lighting information b Illuminating Engineering b




b Society ofNorth America b b




b (IESNA)

17. UL Listingservice b Underwriters Laboratories, Inc. (UL) b b b




18. NEMA Manufacturers’ National Electrical b




b standards b ManufacturersAssociation
(NEMA)
b




19. PE Seal Professional Engineer (PE) b b




Match the items on the left with those on the right by writing the letter
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b designation ofthe proper level of NEC interpretation from the list on the
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b right.


20. with Allowed by the Code b b b Shall be permitted, or Shall not
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special
b b berequired, NEC b




permission
b




21. with May be done b b Shall be permitted, or Shall not
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special berequired, NEC b




permission
b




22. shall Must be done b b Shall, National Electrical Code b b b




23. shall Required by the Code b b b Shall, National Electrical Code b b b




24. never Up to the electrician
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Shall be permitted, or Shall not b b b b b




b berequired, NEC b




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. Show
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b 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 discussed later,
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this luminaire is now called a 4 by 2 or the equivalent 1200 by 600 in metric terms. This question
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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 meters is
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Answer: The area in SI units is 129.7 sq. m; 1395 sq. ft × 0.093 sq. m/sq. ft = 129.7 sq. m.
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To answer Questions 28–31, refer to the Plans included with this book. Determine the Following
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dimensions. Write the dimensions using unit names, not symbols (for example, 1 foot, not 1’), and
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indicate the source of the information.
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28. What is the inside clear distance of the interior stairway to the drugstore basement?
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Answer: The inside clear distance of the interior stairway to the Drugstore basement is 4 ft 0 in. (1.22
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m), as scaled from Sheet A2.
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29. What is the gross square footage of each floor of the building?
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Answer: The gross area of each floor of the building is 60 ft × 43 ft = 2580 sq. ft (18.82 m × 13.1 m =
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246.5 sq. m), as taken from Sheets Al, A2, and A3.
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30. What is the distance in the drugstore from the exterior block wall to the block wall
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separating the drugstore from the bakery?
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