, TESTBANK FOR Electrical Wiring Residential
Textbook 9th Edition Ray C. Mullin
Notes
1- The file is chapter after chapter.
2- We have shown you few pages sample.
3- The file contains all Appendix and Excel sheet
if it exists.
4- We have all what you need, we make update
at every time. There are many new editions
waiting you.
5- If you think you purchased the wrong file You
can contact us at every time, we can replace it
with true one.
Our email:
,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
1. What set of standards is outlined in the Canadian Electrical Code?
a. electrical product listing b. building
c. product specification d. safety
ANSWER: d
2. What is the purpose of most of the rules in the Canadian Electrical Code?
a. to be used as a design manual b. to protect against fire and shock
c. to allow for future load growth d. to be used as a teaching guide
ANSWER: b
3. How is the Canadian Electrical Code used?
a. as a guide to best practices
b. as the rule for maximum standards
c. as a reference for manufacturers’ standards
d. as the rule for minimum standards
ANSWER: d
4. When the Canadian Electrical Code is adopted as the code for a province, what does it become?
a. the law b. an approved option
c. part of the building code d. part of the fire code
ANSWER: a
5. How many general sections are there in the Canadian Electrical Code?
a. 5 b. 8
c. 10 d. 16
ANSWER: c
6. What will you find in Appendix B of the Canadian Electrical Code?
a. general tabulated information b. added notes to rules
c. building code references d. tables
ANSWER: b
7. How are the sections of the Canadian Electrical Code identified?
a. by a letter of the alphabet b. by an electrical symbol
c. by even numbers d. by odd numbers
ANSWER: c
8. Which of the following is an amending unit of the Canadian Electrical Code?
a. Section 4 b. Section 10
c. Section 14 d. Section 30
ANSWER: d
9. According to the Canadian Electrical Code, what does the term “acceptable” refer to?
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,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
a. acceptable to the authority having jurisdiction
b. acceptable to the Canadian Building Code
c. acceptable to the Canadian Standards Association
d. acceptable to the architect or engineer designing the job
ANSWER: a
10. When the Canadian Electrical Code designates something as mandatory, which term does it use?
a. notwithstanding b. acceptable
c. shall d. may
ANSWER: c
11. Which of the following should be consulted when looking for information on proper construction site
working practices?
a. Canadian Electrical Code b. job site MSDS file
c. Construction Safety Associations d. National Building Code
ANSWER: c
12. What is the goal of the Standards Council of Canada?
a. to promote voluntary approval b. to promote voluntary standardization
c. to promote voluntary compliance d. to promote voluntary safety
ANSWER: b
13. What book published by the CSA has been adopted by provincial authorities to become law?
a. Canadian Elevator Code b. Canada Standards Act
c. Canadian Safety Act d. Canadian Electrical Code
ANSWER: d
14. Who is authorized to list and label electrical equipment?
a. recognized installer b. recognized testing laboratory
c. recognized design engineer d. recognized electrical contractor
ANSWER: b
15. Who has responsibility for enforcing the Canadian Electrical Code (CEC)?
a. building inspectors b. provincial electrical safety authorities
c. insurance electrical safety authorities d. federal electrical safety authorities
ANSWER: b
16. Who is responsible for taking out a permit for the inspection of electrical work?
a. electrical foreman b. job site foreman
c. building tenant d. electrical contractor
ANSWER: d
17. What does the prefix “kilo” mean in the international System of Units (SI)?
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,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
a. hundred b. thousand
c. million d. billion
ANSWER: b
18. What does the prefix “milli” mean in the international System of Units (SI)?
a. 0.00001 b. 0.0001
c. 0.001 d. 1
ANSWER: c
19. If a print is using ¼ inch to equal 1 foot and the print has a line that is 2-5/8 inches long, what length
does this line represent?
a. 2’ 5/8” b. 5’ 8”
c. 9’ 9” d. 10’ 6”
ANSWER: d
20. What is the SI unit of electric charge?
a. newton b. volt
c. watt d. coulomb
ANSWER: d
21. When using the Canadian Electrical Code, which system of units should you be familiar with?
a. ISO b. imperial (English)
c. BIPM d. SI (metric)
ANSWER: d
22. What is the equivalent metric size of conduit for the imperial trade size 1-1/4"?
a. 21 mm b. 27 mm
c. 35 mm d. 41 mm
ANSWER: c
23. What standard is used for conductor sizes in Tables 1 through 4 of the CEC?
a. AMG b. AWG
c. CMA d. KSMIL
ANSWER: b
24. When referring to conductors larger than 4/0, what designation does Table 1-4 of the CEC use?
a. MCM b. kcmil
c. CKM d. MKM
ANSWER: b
25. Almost all the rules in the CEC are written with two hazards in mind. What are these two hazards?
ANSWER: The CEC is a safety standard, and it is most concerned with the electrical hazards of fire and
shock.
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,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
26. Why was the CEC created?
ANSWER: The CEC was created to have a book of minimum electrical wiring standards across the
country.
27. How often is the CEC updated?
ANSWER: The CEC is updated every three years.
28. Who has the obligation for obtaining an electrical permit and when it should be obtained?
ANSWER: The electrical contractor or person doing the work is responsible for obtaining the permit. It
should be applied for before the work is started.
29. What is the square millimetre value of 3 square inches? Show your formula.
ANSWER: 3 sq. in. = 3 × 645.16, which is 1935.48 sq. mm
Copyright Cengage Learning. Powered by Cognero. Page 4
,Name: Class: Date:
Unit 2 - Drawings and Specifications
1. Which of the following are included in a technical drawing?
a. lines b. specifications
c. codes d. standards
ANSWER: a
2. What type of line is used to show changes in elevation?
a. phantom line b. contour line
c. cutting line d. projection line
ANSWER: b
3. Which term refers to the lines that make up working drawings?
a. hidden lines b. section lines
c. visible lines d. alphabet of lines
ANSWER: d
4. When are break lines used in drawings?
a. when the entire drawing does not need to be shown
b. when that part of the drawing is the focus of the work
c. when there is a part of the structure that is hidden from view
d. when the drawing is broken open at this point to see inside
ANSWER: a
5. Who are specifications designed to be used by?
a. the project architects
b. the project engineers
c. anyone involved in the construction process
d. the building owner and the estimator
ANSWER: c
6. What is the purpose of a pictorial drawing?
a. to show the exact dimensions of the structure
b. to show the orthographic projection of the object
c. to show the two-dimensional views of the object
d. to show an architect’s view of the finished project
ANSWER: d
7. How many dimensions are used in pictorial drawings?
a. 1D b. 2D
c. 3D d. 4D
ANSWER: c
8. When looking at a floor plan in a set of drawings, what view does a floor plan give?
a. above, looking down into a 3D object b. one side of the object
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,Name: Class: Date:
Unit 2 - Drawings and Specifications
c. above, looking down at a 2D object. d. a reflected view of the object
ANSWER: c
9. An elevation is a drawing that gives you a certain view of a building. What perspective does an
elevation represent?
a. from below b. a cutaway
c. from above d. from one side
ANSWER: d
10. What is the purpose of using electrical symbols on plans?
a. to graphically represent the type of and approximate location of equipment
b. to provide information on future equipment
c. to provide a code to prevent untrained persons from doing electrical work
d. to make plans multilingual by eliminating words
ANSWER: a
11. What would be represented by an architectural drafting symbol used for diagrams?
a. panel board b. sprinkler head
c. receptacle d. door
ANSWER: d
12. When referring to drawings, what is the word “typical” refer to?
a. standard job site practices b. things that are the same
c. the many floor plans d. a list of the individual room colours
ANSWER: b
13. Who accredits organizations and approves the national standards for symbols used on construction
drawings?
a. NEMA b. NRTL
c. CSA d. SCC
ANSWER: d
14. If a drawing has a metric scale of 1:100 and a line is 6.7 cm in length, what distance does this
represent?
a. 6700 millimetres b. 6700 centimetres
c. 6700 metres d. 6700 kilometres
ANSWER: a
15. What does a drawing that uses a scale of 1:50 indicate?
a. that the building is 1/5 smaller than the drawing
b. that the building is 50 times smaller than the drawing
c. that the building is 1/5 larger than the drawing
d. that the building is 50 times larger than the drawing
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,Name: Class: Date:
Unit 2 - Drawings and Specifications
ANSWER: d
16. Who uses shop drawings?
a. contractors, to develop time schedules
b. owners, to review the final product
c. equipment manufacturers, for custom designs
d. engineers, for estimating cost
ANSWER: c
17. When a drawing has a scale of ½" is equal to 1' and the drawing has a line that is 3-1/4" long, what
length does this represent?
a. 6' 6" b. 18' 6"
c. 22' 6" d. 26'
ANSWER: a
18. What are the three types of scales commonly used on construction drawings?
a. metric, architectural, engineering b. metric, structural, engineering
c. metric, mechanical, engineering d. metric, American, engineering
ANSWER: a
19. When a drawing has a scale of 1:50 and a line is 12 mm long, what distance (or length) does this line
represent?
a. 120 millimetres b. 0.6 metre
c. 1.2 metres d. 12 metres
ANSWER: b
20. How many dimensions are used in a set of working drawings?
a. 1D b. 2D
c. 3D d. 4D
ANSWER: b
21. When details are included in a set of drawings, what are they used to show?
a. an enlarged view of a part of the drawing
b. a part of the drawing that is deemed typical
c. a section of the drawing that has been removed
d. a part of the drawing that is hidden from sight
ANSWER: a
22. Which view will most likely have an arrow pointing north?
a. floor plan b. site plan
c. elevation d. detail
ANSWER: b
23. What are schedules used for on a drawing sheet?
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, Name: Class: Date:
Unit 2 - Drawings and Specifications
a. specifications b. extra issues and concerns
c. lists of equipment d. timeline for completion
ANSWER: c
24. Name these three types of electrical panels that you could find in an electrical installation: DP, LP,
and PP.
ANSWER: DP: distribution panel
LP: lighting panel
PP: power panel
25. Draw the symbol for a duplex receptacle.
ANSWER:
26. Why is it important to know the different types of symbols that are used in drawings?
ANSWER: The symbols allow the electrician to run wiring to the appropriate locations at the job site and
estimate and install the equipment and materials needed to complete the work.
27. Provide a logical breakdown of the floor plans that you would find in a typical set of plans.
ANSWER: Architectural, electrical, mechanical, plumbing, HVAC (heating, ventilating, and air
conditioning), and structural.
28. Referring to the Residential Plans found at the back of the text, how far is the side garage wall from
the property lot line?
ANSWER: 9.145 = 7620 (garage to setback) + 1525 (setback measurement) = 9145 mm
29. Referring to the Residential Plans found at the back of the text, how many steel support columns are
in the basement, and what size are they?
ANSWER: 5 columns @ 76 mm.
30. Referring to the Residential Plans found at the back of the text, what is the ceiling height in the
basement workshop from bottom of joists to floor?
ANSWER: 2690 - 255 = 2435 mm
31. Referring to the Residential Plans found at the back of the text, what is the size of the tub enclosure
doors in the master bedroom washroom.
ANSWER: 1525 mm x 1676 mm
32. How are symbols used to indicate future equipment shown on drawings?
ANSWER: They are shown with dashed lines and will have a note to indicate such use.
Copyright Cengage Learning. Powered by Cognero. Page 4
Textbook 9th Edition Ray C. Mullin
Notes
1- The file is chapter after chapter.
2- We have shown you few pages sample.
3- The file contains all Appendix and Excel sheet
if it exists.
4- We have all what you need, we make update
at every time. There are many new editions
waiting you.
5- If you think you purchased the wrong file You
can contact us at every time, we can replace it
with true one.
Our email:
,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
1. What set of standards is outlined in the Canadian Electrical Code?
a. electrical product listing b. building
c. product specification d. safety
ANSWER: d
2. What is the purpose of most of the rules in the Canadian Electrical Code?
a. to be used as a design manual b. to protect against fire and shock
c. to allow for future load growth d. to be used as a teaching guide
ANSWER: b
3. How is the Canadian Electrical Code used?
a. as a guide to best practices
b. as the rule for maximum standards
c. as a reference for manufacturers’ standards
d. as the rule for minimum standards
ANSWER: d
4. When the Canadian Electrical Code is adopted as the code for a province, what does it become?
a. the law b. an approved option
c. part of the building code d. part of the fire code
ANSWER: a
5. How many general sections are there in the Canadian Electrical Code?
a. 5 b. 8
c. 10 d. 16
ANSWER: c
6. What will you find in Appendix B of the Canadian Electrical Code?
a. general tabulated information b. added notes to rules
c. building code references d. tables
ANSWER: b
7. How are the sections of the Canadian Electrical Code identified?
a. by a letter of the alphabet b. by an electrical symbol
c. by even numbers d. by odd numbers
ANSWER: c
8. Which of the following is an amending unit of the Canadian Electrical Code?
a. Section 4 b. Section 10
c. Section 14 d. Section 30
ANSWER: d
9. According to the Canadian Electrical Code, what does the term “acceptable” refer to?
Copyright Cengage Learning. Powered by Cognero. Page 1
,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
a. acceptable to the authority having jurisdiction
b. acceptable to the Canadian Building Code
c. acceptable to the Canadian Standards Association
d. acceptable to the architect or engineer designing the job
ANSWER: a
10. When the Canadian Electrical Code designates something as mandatory, which term does it use?
a. notwithstanding b. acceptable
c. shall d. may
ANSWER: c
11. Which of the following should be consulted when looking for information on proper construction site
working practices?
a. Canadian Electrical Code b. job site MSDS file
c. Construction Safety Associations d. National Building Code
ANSWER: c
12. What is the goal of the Standards Council of Canada?
a. to promote voluntary approval b. to promote voluntary standardization
c. to promote voluntary compliance d. to promote voluntary safety
ANSWER: b
13. What book published by the CSA has been adopted by provincial authorities to become law?
a. Canadian Elevator Code b. Canada Standards Act
c. Canadian Safety Act d. Canadian Electrical Code
ANSWER: d
14. Who is authorized to list and label electrical equipment?
a. recognized installer b. recognized testing laboratory
c. recognized design engineer d. recognized electrical contractor
ANSWER: b
15. Who has responsibility for enforcing the Canadian Electrical Code (CEC)?
a. building inspectors b. provincial electrical safety authorities
c. insurance electrical safety authorities d. federal electrical safety authorities
ANSWER: b
16. Who is responsible for taking out a permit for the inspection of electrical work?
a. electrical foreman b. job site foreman
c. building tenant d. electrical contractor
ANSWER: d
17. What does the prefix “kilo” mean in the international System of Units (SI)?
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,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
a. hundred b. thousand
c. million d. billion
ANSWER: b
18. What does the prefix “milli” mean in the international System of Units (SI)?
a. 0.00001 b. 0.0001
c. 0.001 d. 1
ANSWER: c
19. If a print is using ¼ inch to equal 1 foot and the print has a line that is 2-5/8 inches long, what length
does this line represent?
a. 2’ 5/8” b. 5’ 8”
c. 9’ 9” d. 10’ 6”
ANSWER: d
20. What is the SI unit of electric charge?
a. newton b. volt
c. watt d. coulomb
ANSWER: d
21. When using the Canadian Electrical Code, which system of units should you be familiar with?
a. ISO b. imperial (English)
c. BIPM d. SI (metric)
ANSWER: d
22. What is the equivalent metric size of conduit for the imperial trade size 1-1/4"?
a. 21 mm b. 27 mm
c. 35 mm d. 41 mm
ANSWER: c
23. What standard is used for conductor sizes in Tables 1 through 4 of the CEC?
a. AMG b. AWG
c. CMA d. KSMIL
ANSWER: b
24. When referring to conductors larger than 4/0, what designation does Table 1-4 of the CEC use?
a. MCM b. kcmil
c. CKM d. MKM
ANSWER: b
25. Almost all the rules in the CEC are written with two hazards in mind. What are these two hazards?
ANSWER: The CEC is a safety standard, and it is most concerned with the electrical hazards of fire and
shock.
Copyright Cengage Learning. Powered by Cognero. Page 3
,Name: Class: Date:
Unit 1 - General Information for Electrical Installations
26. Why was the CEC created?
ANSWER: The CEC was created to have a book of minimum electrical wiring standards across the
country.
27. How often is the CEC updated?
ANSWER: The CEC is updated every three years.
28. Who has the obligation for obtaining an electrical permit and when it should be obtained?
ANSWER: The electrical contractor or person doing the work is responsible for obtaining the permit. It
should be applied for before the work is started.
29. What is the square millimetre value of 3 square inches? Show your formula.
ANSWER: 3 sq. in. = 3 × 645.16, which is 1935.48 sq. mm
Copyright Cengage Learning. Powered by Cognero. Page 4
,Name: Class: Date:
Unit 2 - Drawings and Specifications
1. Which of the following are included in a technical drawing?
a. lines b. specifications
c. codes d. standards
ANSWER: a
2. What type of line is used to show changes in elevation?
a. phantom line b. contour line
c. cutting line d. projection line
ANSWER: b
3. Which term refers to the lines that make up working drawings?
a. hidden lines b. section lines
c. visible lines d. alphabet of lines
ANSWER: d
4. When are break lines used in drawings?
a. when the entire drawing does not need to be shown
b. when that part of the drawing is the focus of the work
c. when there is a part of the structure that is hidden from view
d. when the drawing is broken open at this point to see inside
ANSWER: a
5. Who are specifications designed to be used by?
a. the project architects
b. the project engineers
c. anyone involved in the construction process
d. the building owner and the estimator
ANSWER: c
6. What is the purpose of a pictorial drawing?
a. to show the exact dimensions of the structure
b. to show the orthographic projection of the object
c. to show the two-dimensional views of the object
d. to show an architect’s view of the finished project
ANSWER: d
7. How many dimensions are used in pictorial drawings?
a. 1D b. 2D
c. 3D d. 4D
ANSWER: c
8. When looking at a floor plan in a set of drawings, what view does a floor plan give?
a. above, looking down into a 3D object b. one side of the object
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,Name: Class: Date:
Unit 2 - Drawings and Specifications
c. above, looking down at a 2D object. d. a reflected view of the object
ANSWER: c
9. An elevation is a drawing that gives you a certain view of a building. What perspective does an
elevation represent?
a. from below b. a cutaway
c. from above d. from one side
ANSWER: d
10. What is the purpose of using electrical symbols on plans?
a. to graphically represent the type of and approximate location of equipment
b. to provide information on future equipment
c. to provide a code to prevent untrained persons from doing electrical work
d. to make plans multilingual by eliminating words
ANSWER: a
11. What would be represented by an architectural drafting symbol used for diagrams?
a. panel board b. sprinkler head
c. receptacle d. door
ANSWER: d
12. When referring to drawings, what is the word “typical” refer to?
a. standard job site practices b. things that are the same
c. the many floor plans d. a list of the individual room colours
ANSWER: b
13. Who accredits organizations and approves the national standards for symbols used on construction
drawings?
a. NEMA b. NRTL
c. CSA d. SCC
ANSWER: d
14. If a drawing has a metric scale of 1:100 and a line is 6.7 cm in length, what distance does this
represent?
a. 6700 millimetres b. 6700 centimetres
c. 6700 metres d. 6700 kilometres
ANSWER: a
15. What does a drawing that uses a scale of 1:50 indicate?
a. that the building is 1/5 smaller than the drawing
b. that the building is 50 times smaller than the drawing
c. that the building is 1/5 larger than the drawing
d. that the building is 50 times larger than the drawing
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,Name: Class: Date:
Unit 2 - Drawings and Specifications
ANSWER: d
16. Who uses shop drawings?
a. contractors, to develop time schedules
b. owners, to review the final product
c. equipment manufacturers, for custom designs
d. engineers, for estimating cost
ANSWER: c
17. When a drawing has a scale of ½" is equal to 1' and the drawing has a line that is 3-1/4" long, what
length does this represent?
a. 6' 6" b. 18' 6"
c. 22' 6" d. 26'
ANSWER: a
18. What are the three types of scales commonly used on construction drawings?
a. metric, architectural, engineering b. metric, structural, engineering
c. metric, mechanical, engineering d. metric, American, engineering
ANSWER: a
19. When a drawing has a scale of 1:50 and a line is 12 mm long, what distance (or length) does this line
represent?
a. 120 millimetres b. 0.6 metre
c. 1.2 metres d. 12 metres
ANSWER: b
20. How many dimensions are used in a set of working drawings?
a. 1D b. 2D
c. 3D d. 4D
ANSWER: b
21. When details are included in a set of drawings, what are they used to show?
a. an enlarged view of a part of the drawing
b. a part of the drawing that is deemed typical
c. a section of the drawing that has been removed
d. a part of the drawing that is hidden from sight
ANSWER: a
22. Which view will most likely have an arrow pointing north?
a. floor plan b. site plan
c. elevation d. detail
ANSWER: b
23. What are schedules used for on a drawing sheet?
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, Name: Class: Date:
Unit 2 - Drawings and Specifications
a. specifications b. extra issues and concerns
c. lists of equipment d. timeline for completion
ANSWER: c
24. Name these three types of electrical panels that you could find in an electrical installation: DP, LP,
and PP.
ANSWER: DP: distribution panel
LP: lighting panel
PP: power panel
25. Draw the symbol for a duplex receptacle.
ANSWER:
26. Why is it important to know the different types of symbols that are used in drawings?
ANSWER: The symbols allow the electrician to run wiring to the appropriate locations at the job site and
estimate and install the equipment and materials needed to complete the work.
27. Provide a logical breakdown of the floor plans that you would find in a typical set of plans.
ANSWER: Architectural, electrical, mechanical, plumbing, HVAC (heating, ventilating, and air
conditioning), and structural.
28. Referring to the Residential Plans found at the back of the text, how far is the side garage wall from
the property lot line?
ANSWER: 9.145 = 7620 (garage to setback) + 1525 (setback measurement) = 9145 mm
29. Referring to the Residential Plans found at the back of the text, how many steel support columns are
in the basement, and what size are they?
ANSWER: 5 columns @ 76 mm.
30. Referring to the Residential Plans found at the back of the text, what is the ceiling height in the
basement workshop from bottom of joists to floor?
ANSWER: 2690 - 255 = 2435 mm
31. Referring to the Residential Plans found at the back of the text, what is the size of the tub enclosure
doors in the master bedroom washroom.
ANSWER: 1525 mm x 1676 mm
32. How are symbols used to indicate future equipment shown on drawings?
ANSWER: They are shown with dashed lines and will have a note to indicate such use.
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