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Electrical Wiring Commercial 18th Edition Solution Manual: Complete NEC-Based Answers & Calculations (Simmons, Ode)

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Master Commercial Electrical Wiring with the Official Solution Manual for the 18th Edition. This is the complete Instructor's Solution Manual for "Electrical Wiring Commercial," 18th Edition by Phil Simmons and Ray C. Mullin. Designed for electrical instructors, apprentices, journeymen, and self-studying professionals, this file provides detailed, step-by-step answers to every review question, calculation problem, and wiring diagram exercise in the textbook. What’s Inside (Full Coverage Based on 2023 NEC): Plan & Specification Reading (Ch 1-2): Interpreting working drawings, electrical symbols, schedules, and navigating commercial building plans (drugstore, bakery, insurance office, beauty salon). Conductor Sizing & Ampacity (Ch 3-4): Using NEC Table 310.16, ambient temperature correction (310.15(B)(1)(1)), conductor adjustment factors (310.15(C)(1)), neutral conductor calculations, and voltage drop calculations (K = 12.9 for copper). Raceway & Box Sizing (Ch 6): Conduit fill (EMT, PVC, IMC, RMC), box fill calculations (314.16), pull box sizing (314.28), wireway fill (376.22). Overcurrent Protection (Ch 4, 17): Continuous loads (125% rule), standard fuse/breaker ratings (240.6(A)), interrupting ratings, series ratings, selective coordination, short-circuit calculations (point-to-point method), and current-limiting devices. Motor & Appliance Circuits (Ch 7): Motor FLC tables (430.248, 430.250), overload protection (430.32), branch-circuit sizing (430.22), dual-element fuses (430.52(C)(1)), and HVAC nameplate ratings (Article 440). Switch & Receptacle Selection (Ch 5): AC/DC switches, 3-way and 4-way switching diagrams, isolated grounding receptacles, NEMA configurations, and low-voltage remote control (LVRC) systems (Article 725). Panelboards & Feeders (Ch 8, 12): Panelboard scheduling, feeder load calculations (general lighting, receptacles, HVAC, noncoincident loads), neutral loads, and working space requirements (110.26). Special Systems (Ch 9-11, 21-22): Emergency/standby systems (Articles 700, 701, 702), generator sizing, transfer switches, transformers (delta-wye, kVA calculations, primary/secondary protection), photovoltaic (PV) systems (Article 690), grounding and bonding (Article 250), and air-conditioning/refrigeration circuits. Why This Resource is Essential: For Instructors: A complete answer key for grading, creating quizzes, and demonstrating NEC calculation methods (e.g., parallel conductor current division, motor starting kVA, short-circuit fault current). For Students & Apprentices: See fully worked-out NEC calculations, wiring diagrams for 3-way/4-way switches, raceway fill examples, and load calculation tables. Real-World Application: Covers commercial building scenarios, code-compliant installations, and safety (OSHA, NFPA 70E, arc-flash labeling).

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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 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, 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.


3. 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.

4. 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. Electrical Electrical receptacle Electrical symbol schedule, Chapter 2,
symbol style Figure 2–6
schedule


6. Electrical Electrical outlet Electrical layout drawings, Sheets El,
layout location E2, and E3
drawings


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

8. Site plan Grading elevations Site plan, Sheet A4

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


10. Architectural Room width Architectural floor plan, Sheets Al, A2,
floor plan and A3


11. Architectural Swing of door Architectural floor plan, Sheets Al, A2,
floor plan 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)

, 15. NFPA Fire codes National Fire Protection Association
(NFPA)

16. IESNA Lighting information Illuminating Engineering Society of
North America (IESNA)

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

18. NEMA Manufacturers’ National Electrical Manufacturers
standards Association (NEMA)


19. PE Seal Professional Engineer (PE)


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

20. with special Allowed by the Code Shall be permitted, or Shall not be
permission required, NEC


21. with special May be done Shall be permitted, or Shall not be
permission required, NEC

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Phil Simmons, Ray C. Mullin, Mark Ode Electrical Wiring Commercial
Publisher: 2023 ISBN: 9780357767108 Edition: Unknown

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