Solutions Manual for Electrical Wiring Commercial 18th Edition by Phil Simmons, Ray C. Mullin & Mark Ode | Complete Answer Guide 2026

CreatedBy: A Solution b b b




SolutionsManualforElectricalWiringCommercial 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
B B B B B B




TABLE OF CONTENTS B B




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



Note to instructor: It is recommended that students be required to respond, where appropriate,
b b b b b b b b b b b b b




with answers that are complete sentences.
b b b b b b




REVIEW

RefertotheNational ElectricalCodeortheworkingdrawingswhen necessary. Where applicable,
b b b b b b b b b b b b b




bresponses should be written in complete sentences. b b b b b b




1. Whatsection ofacommercialbuilding’sspecification containsalist ofcontract
b b b b b b b b b b b




bdocuments?
Answer: A list of the contract documents is contained in General Clauses and Conditions. A listing of
b b b b b b b b b b b b b b b b




bthe Commercial Building contract documents is presented in this chapter under the heading
b b b b b b b b b b b b




“Commercial BuildingPlans.”Theinstructor maywish to havethe students check over this listing and
b b b b b b b b b b b b b b b b




bcompare it with the plans provided. b b b b b




2. Therequirement fortemporarylight and power at the job site will befound in what portion
b b b b b b b b b b b b b b b b




bof a commercial building’s specification?
b b b b




Answer: The Supplementary General Conditions specifies the job site requirements for temporary
b b b b b b b b b b b




blight and power. In some contracts, this electrical system becomes the responsibility of the general
b b b b b b b b b b b b b b




bcontractor; in other contracts, it is the electrical contractor’s responsibility to install and maintain the
b b b b b b b b b b b b b b




temporaryelectrical system. Theinstructor maywish to refer thestudent to NEC Article 590 and discuss
b b b b b b b b b b b b b b b b b




bthe requirements in detail.
b b b




A+ Page 1 b

,CreatedBy: A Solution
b b b




3. Theelectrician uses the Schedule of Working Drawings for what purpose?
b b b b b b b b b b




Answer: The electrician uses the Schedule of Working Drawings to determine whether all of the
b b b b b b b b b b b b b b




bdrawings are at hand. The information on “the other sheets” may be very important, especially in
b b b b b b b b b b b b b b b




bcoordinating with other contractors.
b b b




4. Complete the following items by indicating the letter(s) designating the correct source(s) of
b b b b b b b b b b b b




binformation:
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 b2,Figure 2–6 b




schedule
b




6. Electrical Electricaloutlet location b b Electrical layout drawings, Sheets b b b




layout
b bEl,E2, and E3 b b




drawings
b




7. Elevations Exteriorwallfinishes b b Elevations, Sheets A4 and A5 b b b b




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




9. Electrical Panelboard schedules b Electrical layoutdrawings,SheetE4 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 bA2,and A3 b




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




floor plan
b b bA2,and A3 b




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




A+ Page 2 b

,CreatedBy: A Solution
b b b




Match the items on the left with those on the right by writing the letter designation
b b b b b b b b b b b b b b b




bofthe appropriate organization from the list on the right.
b b b b b b b b




13. NEC ElectricalCode b National Electrical Code (NEC) b b b




14. IAEI Electrical inspectors b
InternationalAssociationof b b




bElectricalInspectors (IAEI) b




15. NFPA Fire codes b
NationalFireProtectionAssociation b b b




b(NFPA)

16. IESNA Lighting information b Illuminating Engineering b




bSociety 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 bManufacturersAssociation
b(NEMA)

19. PE Seal ProfessionalEngineer (PE) b b




Match the items on the left with those on the right by writing the letter
b b b b b b b b b b b b b b




bdesignation ofthe proper level of NEC interpretation from the list on the right.
b b b b b b b b b b b b




20. with Allowed bytheCode b b b
Shall be permitted, or Shall not
b b b b b




special
b b berequired, NEC b




permission
b




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




A+ Page 3b

, CreatedBy: A Solution b b b




special berequired, NEC b




bpermission

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




23. shall RequiredbytheCode b b b Shall, National Electrical Code b b b




24. never Uptotheelectrician b b b
Shall be permitted, or Shall not b b b b b




bberequired, NEC b




25. Find NEC 250.52(A)(5) and record the first four words.
b b b b b b b b




Answer: Thefirst four words of NEC 250.52(A)(5)areRod and pipe electrodes. Show
b b b b b b b b b b b b b




brequired conversion calculations for problem 26 and problem 27.
b b b b b b b b




26. Luminaire style F is four feet long. The length in SIunits, as specified bythe NEC, is b b b b b b b b b b b b b b b b b




Answer: The length in SIunits is 1.22 m; 4 ft × 0.3048 m/ft = 1.2192 m. As will be discussed later, this
b b b b b b b b b b b b b b b b b b b b b b




luminaire is now called a 4 by 2 or the equivalent 1200 by 600 in metric terms. This question assumes
b b b b b b b b b b b b b b b b b b b b




that the luminaire is exactly 4 ft long.
b b b b b b b b




27. Thegross area of the drugstore basement is 1395 square feet. The area in square meters is
b b b b b b b b b b b b b b b b




Answer: The area in SI units is 129.7 sq. m; 1395 sq. ft × 0.093 sq. m/sq. ft = 129.7 sq. m.
b b b b b b b b b b b b b b b b b b b b b




To answer Questions 28–31, refer to thePlans included with this book.Determinethe Following
b b b b b b b b b b b b b b




dimensions. Write the dimensions using unit names, not symbols (for example, 1 foot, not 1’), and
b b b b b b b b b b b b b b b b




indicate the source of the information.
b b b b b b




28. What is the inside clear distance of the interior stairwayto the drugstore basement?
b b b b b b b b b b b b b




Answer: Theinside clear distance of theinterior stairwayto the Drugstore basement is 4 ft 0 in. (1.22 m),
b b b b b b b b b b b b b b b b b b b




as scaled from Sheet A2.
b b b b b




29. What is the gross square footage of each floor of the building?
b b b b b b b b b b b




Answer: The gross area of each floor of thebuildingis 60 ft × 43 ft = 2580 sq. ft (18.82 m × 13.1 m =
b b b b b b b b b b b b b b b b b b b b b b b b b




246.5 sq. m), as taken from Sheets Al, A2, and A3.
b b b b b b b b b b b




30. What is the distancein thedrugstorefrom the exterior block wall to theblock wall
b b b b b b b b b b b b b b b




separating the drugstore from the bakery?
b b b b b b




A+ Page 4 b