Question 1

Explain what is meant by a nominal voltage rating.

Accepted Answer

Nominal means typical or in na...

Question 2

Which of the following is NOT included when calculating the usable area of a dwelling to compute the required lighting load?

Accepted Answer

A)   living room
B)   crawl space
C)   unfinished basement
D)   powder roomsE) A) and B)
F) B) and C)

Question 3

The minimum lighting load requirement for dwelling units is ____ volt-amperes per square ft (0.093 m3) .

Accepted Answer

A)   2
B)   3
C)   5
D)   10E) All of the above
F) C) and D) B

Question 4

What determines the rating of a branch circuit?

Accepted Answer

A)   Branch-circuit wire size
B)   Rating of the overcurrent device
C)   Length of the circuit
D)   Total number of receptaclesE) B) and C)
F) B) and D)

Question 5

Most public service commissions require that the voltage for residential services be held to ± ____ percent of the nominal voltage as measured at the service point.

Accepted Answer

A)   three
B)   five
C)   eight
D)   tenE) A) and C)
F) A) and D)

Question 6

Match between columns Premises: Attic (not intended for storage)
Crawl space (contains equipment that requires servicing)
Stairway
Bathroom
Hallway

Accepted Answer

The Answer of True and False is...

Question 7

Receptacles in unfinished basements must be ____________________ protected.

Accepted Answer

The answer of Receptacles in unfinished basements must be ____________________...

Question 8

List two cases where receptacles may be installed below countertops.

Accepted Answer

Receptacles may be installed below count...

Question 9

What are the outdoor receptacle requirements of a one-family dwelling as specified in NEC 210.52(E)(1) ?

Accepted Answer

At least one receptacle shall be install...

Question 10

Explain the difference between a receptacle and a receptacle outlet .

Accepted Answer

A receptacle is a contact devi...

Question 11

With the exception of ____, the 20-ampere appliance circuits required by NEC are permitted to serve no other loads.

Accepted Answer

A)   clock outlets
B)   receptacles that are installed to plug in the cords of gas-fired ranges, ovens, or counter-mounted cooking units
C)   receptacles in bathrooms
D)   receptacles in a master bedroomE) A) and D)
F) A) and C)

Question 12

The National Electrical Code requires outdoor receptacles to be ____.

Accepted Answer

A)   AFCI protected
B)   GFCI protected
C)   on a dedicated circuit
D)   b and cE) A) and D)
F) B) and C)

Question 13

The general lighting load for a dwelling is based on the ____.

Accepted Answer

A)   total number of rooms
B)   city ordinance requirements
C)   family lifestyle needs
D)   square footage of the dwellingE) None of the above
F) A) and C)

Question 14

In construction of one- and two-family dwellings, the electrical circuits are usually designed by the ____.

Accepted Answer

A)   electrician
B)   architect
C)   consulting engineer
D)   project managerE) C) and D)
F) B) and D)

Question 15

Wall receptacles in a habitable room must be placed so they are no further than ____ feet from any point along the wall.

Accepted Answer

A)   3
B)   5
C)   6
D)   12E) A) and B)
F) All of the above

Question 16

How is track lighting load in residences calculated?

Accepted Answer

A)   It is calculated at 150 volt-amperes per each two feet of track.
B)   It is calculated at 60 watts per lighting head.
C)   It is considered to be part of the general lighting load of 3 volt-amperes per square foot.
D)   The method of calculation varies depending on the type of residence.E) C) and D)
F) B) and D)

Question 17

List the two cases where outdoor receptacles are exempt from GFCI protection.

Accepted Answer

Outdoor receptacles are required to be GFCI protected, 210.8(A)(3). Exempt are receptacles that are not readily accessible, are supplied by a dedicated branch circuit, and serve snow-melting or deicing equipment; see 426.28.

Question 18

Calculate the minimum number of 15-ampere lighting branch circuits required in a residence of 1,850 square feet.

Accepted Answer

Step 1 
  Step 2 
  Four 15-ampere lighting branch circuits are required.

Question 19

The NEC defines a ____ as "the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s) ."

Accepted Answer

A)   receptacle outlet
B)   branch circuit
C)   service-entrance conductor
D)   feederE) B) and C)
F) C) and D)

Question 20

For continuous loads, the branch-circuit rating, the conductors, and the overcurrent device shall not be less than ____ percent of the rating of the equipment.

Accepted Answer

A)   75
B)   100
C)   125
D)   150E) None of the above
F) A) and D)

Exam 3: Determining the Required Number of Branch Circuits Lighting Outlets Receptacle Outlets

Explain what is meant by a nominal voltage rating.

Correct Answer
verified
Nominal means typical or in na...
View Answer

Which of the following is NOT included when calculating the usable area of a dwelling to compute the required lighting load?

Correct Answer
verified

The minimum lighting load requirement for dwelling units is ____ volt-amperes per square ft (0.093 m³) .

Correct Answer
verified
B

What determines the rating of a branch circuit?

Correct Answer
verified

Most public service commissions require that the voltage for residential services be held to ± ____ percent of the nominal voltage as measured at the service point.

Correct Answer
verified

The Code specifies which rooms in a dwelling are required to have switched lighting outlets or switched receptacles. Choose yes (switch required) or no (switch not required) for the following areas:

Receptacles in unfinished basements must be ____________________ protected.

Correct Answer
verified

List two cases where receptacles may be installed below countertops.

Correct Answer
verified
Receptacles may be installed below count...
View Answer

What are the outdoor receptacle requirements of a one-family dwelling as specified in NEC 210.52(E)(1) ?

Correct Answer
verified
At least one receptacle shall be install...
View Answer

Explain the difference between a receptacle and a receptacle outlet .

Correct Answer
verified
A receptacle is a contact devi...
View Answer

With the exception of ____, the 20-ampere appliance circuits required by NEC are permitted to serve no other loads.

Correct Answer
verified

The National Electrical Code requires outdoor receptacles to be ____.

Correct Answer
verified

The general lighting load for a dwelling is based on the ____.

Correct Answer
verified

In construction of one- and two-family dwellings, the electrical circuits are usually designed by the ____.

Correct Answer
verified

Wall receptacles in a habitable room must be placed so they are no further than ____ feet from any point along the wall.

Correct Answer
verified

How is track lighting load in residences calculated?

Correct Answer
verified

List the two cases where outdoor receptacles are exempt from GFCI protection.

Correct Answer
verified
Outdoor receptacles are required to be GFCI protected, 210.8(A)(3). Exempt are receptacles that are not readily accessible, are supplied by a dedicated branch circuit, and serve snow-melting or deicing equipment; see 426.28.

Calculate the minimum number of 15-ampere lighting branch circuits required in a residence of 1,850 square feet.

Correct Answer
verified
Step 1 11ebfb35_b952_9f28_969a_893416ef6c10_TBX8798_00 Step 2 11ebfb35_b952_9f29_969a_3d9dcbcf6966_TBX8798_00 Four 15-ampere lighting branch circuits are required.

The NEC defines a ____ as "the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s) ."

Correct Answer
verified

For continuous loads, the branch-circuit rating, the conductors, and the overcurrent device shall not be less than ____ percent of the rating of the equipment.

Correct Answer
verified

Exam 3: Determining the Required Number of Branch Circuits Lighting Outlets Receptacle Outlets

Explain what is meant by a nominal voltage rating.

Correct AnswerverifiedNominal means typical or in na...View AnswerShow Answer

Which of the following is NOT included when calculating the usable area of a dwelling to compute the required lighting load?

Correct AnswerverifiedShow Answer

The minimum lighting load requirement for dwelling units is ____ volt-amperes per square ft (0.093 m3) .

Correct AnswerverifiedB

What determines the rating of a branch circuit?

Correct AnswerverifiedShow Answer

Most public service commissions require that the voltage for residential services be held to ± ____ percent of the nominal voltage as measured at the service point.

Correct AnswerverifiedShow Answer

The Code specifies which rooms in a dwelling are required to have switched lighting outlets or switched receptacles. Choose yes (switch required) or no (switch not required) for the following areas:

Receptacles in unfinished basements must be ____________________ protected.

Correct AnswerverifiedShow Answer

List two cases where receptacles may be installed below countertops.

Correct AnswerverifiedReceptacles may be installed below count...View AnswerShow Answer

What are the outdoor receptacle requirements of a one-family dwelling as specified in NEC 210.52(E)(1) ?

Correct AnswerverifiedAt least one receptacle shall be install...View AnswerShow Answer

Explain the difference between a receptacle and a receptacle outlet .

Correct AnswerverifiedA receptacle is a contact devi...View AnswerShow Answer

With the exception of ____, the 20-ampere appliance circuits required by NEC are permitted to serve no other loads.

Correct AnswerverifiedShow Answer

The National Electrical Code requires outdoor receptacles to be ____.

Correct AnswerverifiedShow Answer

The general lighting load for a dwelling is based on the ____.

Correct AnswerverifiedShow Answer

In construction of one- and two-family dwellings, the electrical circuits are usually designed by the ____.

Correct AnswerverifiedShow Answer

Wall receptacles in a habitable room must be placed so they are no further than ____ feet from any point along the wall.

Correct AnswerverifiedShow Answer

How is track lighting load in residences calculated?

Correct AnswerverifiedShow Answer

List the two cases where outdoor receptacles are exempt from GFCI protection.

Correct AnswerverifiedOutdoor receptacles are required to be GFCI protected, 210.8(A)(3). Exempt are receptacles that are not readily accessible, are supplied by a dedicated branch circuit, and serve snow-melting or deicing equipment; see 426.28.

Calculate the minimum number of 15-ampere lighting branch circuits required in a residence of 1,850 square feet.

Correct AnswerverifiedStep 1 11ebfb35_b952_9f28_969a_893416ef6c10_TBX8798_00 Step 2 11ebfb35_b952_9f29_969a_3d9dcbcf6966_TBX8798_00 Four 15-ampere lighting branch circuits are required.

The NEC defines a ____ as "the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s) ."

Correct AnswerverifiedShow Answer

For continuous loads, the branch-circuit rating, the conductors, and the overcurrent device shall not be less than ____ percent of the rating of the equipment.

Correct AnswerverifiedShow Answer

Correct Answer
verified
Nominal means typical or in na...
View Answer

Correct Answer
verified

The minimum lighting load requirement for dwelling units is ____ volt-amperes per square ft (0.093 m³) .

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Receptacles may be installed below count...
View Answer

Correct Answer
verified
At least one receptacle shall be install...
View Answer

Correct Answer
verified
A receptacle is a contact devi...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Outdoor receptacles are required to be GFCI protected, 210.8(A)(3). Exempt are receptacles that are not readily accessible, are supplied by a dedicated branch circuit, and serve snow-melting or deicing equipment; see 426.28.

Correct Answer
verified
Step 1 11ebfb35_b952_9f28_969a_893416ef6c10_TBX8798_00 Step 2 11ebfb35_b952_9f29_969a_3d9dcbcf6966_TBX8798_00 Four 15-ampere lighting branch circuits are required.

Correct Answer
verified

Correct Answer
verified