Solutions Manual for Electrical Wiring Commercial
18th Edition by Phil Simmons
A+ 2
Solution and Answer Guide
1
SIMMONS/ODE, ELECTRICAL WIRING COMMERCIAL, 18E © 2024, 9780357767115;
r
CHAPTER 1: COMMERCIAL BUILDING PLANS AND SPECIFICATIONS
a
TABLE OF CONTENTS
l o
Review ..........................................................................................................................................................
1
h c
Note to instructor: It is recommended that students be required to respond, where appropriate, with
answers that are complete sentences.
s
REVIEW u r
Refer to the National Electrical Code or the working drawings when necessary. Where N
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
2
NEC Article 590 and discuss the requirements in detail.
1
r a
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
l
drawings are at hand. The information on “the other sheets” may be very important, especially in
coordinating with other contractors. h o
4. Complete the following items by indicating the letter(s) designating the correct source(s)
of information:
No. Answer Item s c Information
4. Sections Ceiling height Sections, Sheet A6
5.
r
Electrical Electrical receptacle Electrical symbol schedule, Chapter symbol style
u
2, Figure 2–6 schedule
6. Electrical Electrical outlet Electrical layout drawings, Sheets
layout location El, E2, and E3 drawings
N
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, floor plan A2,
and A3
11. Architectural Swing of door Architectural floor plan, Sheets Al, floor plan A2,
and A3
12. Sections View of interior wall Sections, Sheet A6
2
Match the items on the left with those on the right by writing the letter designation of
1
the appropriate organization from the list on the right.
r
13. NEC Electrical Code National Electrical Code (NEC)
a
14. IAEI Electrical inspectors International Association of
l
Electrical Inspectors (IAEI)
h o
15. NFPA Fire codes National Fire Protection Association
(NFPA)
16. IESNA
c
Lighting information Illuminating Engineering
s Society of North America
(IESNA)
u r
17. UL Listing service Underwriters Laboratories, Inc.
(UL)N
18. NEMA Manufacturers’ National Electrical standards Manufacturers
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 Allowed by the Code Shall be permitted, or Shall not special be required,
NEC permission
21. with May be done Shall be permitted, or Shall not
2 special be required, NEC permission
22. 1shall Must be done Shall, National Electrical Code
23. shall Required by the Code Shall, National Electrical Code
24.
r never Up to the electrician Shall be permitted, or Shall not be required, NEC
a
25. Find NEC 250.52(A)(5) and record the first four words.
Answer: The first four words of NEC 250.52(A)(5) are Rod and pipe electrodes.
l o
Show required conversion calculations for problem 26 and problem 27.
26. Luminaire style F is four feet long. The length in SI units, as specified by the NEC, is
h
Answer: The length in SI units is 1.22 m; 4 ft × 0.3048 m/ft = 1.2192 m. As will be discussed
c
later, this luminaire is now called a 4 by 2 or the equivalent 1200 by 600 in metric terms. This
question assumes that the luminaire is exactly 4 ft long.
s
27. The gross area of the drugstore basement is 1395 square feet. The area in square
r
meters is Answer: The area in SI units is 129.7 sq. m; 1395 sq. ft × 0.093 sq. m/sq. ft
u
= 129.7 sq. m.
N
To answer Questions 28–31, refer to the Plans included with this book. Determine the Following
dimensions. Write the dimensions using unit names, not symbols (for example, 1 foot, not 1’),
and indicate the source of the information.
28. What is the inside clear distance of the interior stairway to the drugstore basement?
Answer: The inside clear distance of the interior stairway to the Drugstore basement is 4 ft 0 in.
(1.22 m), as scaled from Sheet A2.
29. What is the gross square footage of each floor of the building?
18th Edition by Phil Simmons
A+ 2
Solution and Answer Guide
1
SIMMONS/ODE, ELECTRICAL WIRING COMMERCIAL, 18E © 2024, 9780357767115;
r
CHAPTER 1: COMMERCIAL BUILDING PLANS AND SPECIFICATIONS
a
TABLE OF CONTENTS
l o
Review ..........................................................................................................................................................
1
h c
Note to instructor: It is recommended that students be required to respond, where appropriate, with
answers that are complete sentences.
s
REVIEW u r
Refer to the National Electrical Code or the working drawings when necessary. Where N
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
2
NEC Article 590 and discuss the requirements in detail.
1
r a
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
l
drawings are at hand. The information on “the other sheets” may be very important, especially in
coordinating with other contractors. h o
4. Complete the following items by indicating the letter(s) designating the correct source(s)
of information:
No. Answer Item s c Information
4. Sections Ceiling height Sections, Sheet A6
5.
r
Electrical Electrical receptacle Electrical symbol schedule, Chapter symbol style
u
2, Figure 2–6 schedule
6. Electrical Electrical outlet Electrical layout drawings, Sheets
layout location El, E2, and E3 drawings
N
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, floor plan A2,
and A3
11. Architectural Swing of door Architectural floor plan, Sheets Al, floor plan A2,
and A3
12. Sections View of interior wall Sections, Sheet A6
2
Match the items on the left with those on the right by writing the letter designation of
1
the appropriate organization from the list on the right.
r
13. NEC Electrical Code National Electrical Code (NEC)
a
14. IAEI Electrical inspectors International Association of
l
Electrical Inspectors (IAEI)
h o
15. NFPA Fire codes National Fire Protection Association
(NFPA)
16. IESNA
c
Lighting information Illuminating Engineering
s Society of North America
(IESNA)
u r
17. UL Listing service Underwriters Laboratories, Inc.
(UL)N
18. NEMA Manufacturers’ National Electrical standards Manufacturers
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 Allowed by the Code Shall be permitted, or Shall not special be required,
NEC permission
21. with May be done Shall be permitted, or Shall not
2 special be required, NEC permission
22. 1shall Must be done Shall, National Electrical Code
23. shall Required by the Code Shall, National Electrical Code
24.
r never Up to the electrician Shall be permitted, or Shall not be required, NEC
a
25. Find NEC 250.52(A)(5) and record the first four words.
Answer: The first four words of NEC 250.52(A)(5) are Rod and pipe electrodes.
l o
Show required conversion calculations for problem 26 and problem 27.
26. Luminaire style F is four feet long. The length in SI units, as specified by the NEC, is
h
Answer: The length in SI units is 1.22 m; 4 ft × 0.3048 m/ft = 1.2192 m. As will be discussed
c
later, this luminaire is now called a 4 by 2 or the equivalent 1200 by 600 in metric terms. This
question assumes that the luminaire is exactly 4 ft long.
s
27. The gross area of the drugstore basement is 1395 square feet. The area in square
r
meters is Answer: The area in SI units is 129.7 sq. m; 1395 sq. ft × 0.093 sq. m/sq. ft
u
= 129.7 sq. m.
N
To answer Questions 28–31, refer to the Plans included with this book. Determine the Following
dimensions. Write the dimensions using unit names, not symbols (for example, 1 foot, not 1’),
and indicate the source of the information.
28. What is the inside clear distance of the interior stairway to the drugstore basement?
Answer: The inside clear distance of the interior stairway to the Drugstore basement is 4 ft 0 in.
(1.22 m), as scaled from Sheet A2.
29. What is the gross square footage of each floor of the building?
