-------------------------------------------------------------------------------------- "Electrical Wiring for Commercial Buildings: Solutions and Answer Guide (18th Edition)" By Phil Simmons, Ray C. Mullin, and Mark Ode 2025-2

******2025 Solution and Answer Guide**** CHAPTER 1: COMMERCIAL BUILDING PLANS AND SPECIFICATIONS ***************************************************************************** TABLE OF CONTENTS Review ....................................................................................................................... 1 Note to instructor: It is recommended that students be required to respond, where appropriate, with answers that are complete sentences. REVIEW Refer to the National Electrical Code or the working drawings when necessary. Where applicable, responses should be written in complete sentences. 1. What section of a commercial building’s specification contains a list of contract documents? Answer: A list of the contract documents is contained in General Clauses and Conditions. A listing of the Commercial Building contract documents is presented in this chapter under the heading ―Commercial Building Plans.‖ The instructor may wish to have the students check over this listing and compare it with the plans provided. 2. The requirement for temporary light and power at the job site will be found in 3. what portion of a commercial building’s specification? Answer: The Supplementary General Conditions specifies the job site requirements for temporary light and power. In some contracts, 4 | P a g e this electrical system becomes the responsibility of the general contractor; in other contracts, it is the electrical contractor’s responsibility to install and maintain the temporary electrical system. The instructor may wish to refer the student to NEC Article 590 and discuss the requirements in detail. 5 | P a g e 4. The electrician uses the Schedule of Working Drawings for what purpose? Answer: The electrician uses the Schedule of Working Drawings to determine whether all of the drawings are at hand. The information on ―the other sheets‖ may be very important, especially in coordinating with other contractors. 5. Complete the following items by indicating the letter(s) designating the correct source(s) of information: No. Answer Item Information 4. Sections Ceiling height Sections, Sheet A6 5. Electri cal symbo l schedu le Electrical receptacle style Electrical symbol schedule, Chapter 2, Figure 2–6 6. Electric al layout drawin gs Electrical outlet location Electrical layout drawings, Sheets El, E2, and E3 7. Elevations Exterior wall finishes Elevations, Sheets A4 and A5 8. Site plan Grading elevations Site plan, Sheet A4 9. Electric al layout drawin gs 6 | P a g e Panelboard schedules Electrical layout drawings, Sheet E4 10. Architectu ral floor plan Room width Architectural floor plan, Sheets Al, A2, and A3 11. Architectu ral floor plan Swing of door Architectural floor plan, Sheets Al, A2, and A3 12. Sections View of interior wall Sections, Sheet A6 Match the items on the left with those on the right by writing the letter designation of the appropriate organization from the list on the right. 13. NEC Electrical Code National Electrical Code (NEC) 14. IAEI Electrical inspectors International Association of Electrical Inspectors (IAEI)