Question 1

For the types of branch circuits found in residential wiring, the fuse or circuit breaker size can never be larger than ____________________ amps for a 12 AWG copper conductor.

Accepted Answer

The answer of For the types of branch circuits found...

Question 2

The NEC states that the load for a household electric dryer must be computed at ____________________ watts or the nameplate rating, whichever is greater.

Accepted Answer

The answer of The NEC states that the load for...

Question 3

If the total computed load of a residence is 45,840 volt-amperes, the computed amperage of the residence is ____________________ amps.

Accepted Answer

The answer of If the total computed load of a...

Question 4

According to Table 310.15(B)(16) in the NEC, the ampacity for a 3 AWG copper conductor using the 75 degree Celsius column is ____________.

Accepted Answer

The answer of According to Table 310.15(B)(16) in the NEC,...

Question 5

The NEC requires at least ____________________ small appliance circuits be installed in each dwelling unit.

Accepted Answer

The answer of The NEC requires at least ____________________ small...

Question 6

Dividing the total computed load in volt-amperes by the residential service voltage of ____________________ volts will give the minimum ampacity the service conductors must be rated for.

Accepted Answer

The answer of Dividing the total computed load in volt-amperes...

Question 7

When cables or conductors are physically tied, wrapped, or taped together, they are considered to be ______________.

Accepted Answer

When cables or conductors are physically tied, wrapped, or taped together, they are considered to be bundled.

Question 8

A 1900 square foot residence has a general lighting load of ____________________ volt-amperes.

Accepted Answer

The answer of A 1900 square foot residence has a...

Question 9

The minimum service entrance rating for a single-family home permitted by the NEC is __________ amperes.

Accepted Answer

The NEC requires a minimum 100-ampere service entrance rating for a single-family home.

Question 10

A household electric range has a rating of 11 kW. When computing the service load using the standard calculation, a minimum of ____________________ watts will be used.

Accepted Answer

The answer of A household electric range has a rating...

Question 11

If an electric dryer has a nameplate rating of 4,500 watts, ____________________ watts will be used in the standard method service calculation.

Accepted Answer

The answer of If an electric dryer has a nameplate...

Question 12

According to NEC Section 310.15(B)(7) in the NEC, the minimum conductor size for a 300 ampere residential service entrance is _________ CU or _________ AL.

Accepted Answer

According to NEC Section 310.15(B)(7), for a 300 ampere residential service entrance, the minimum conductor size is 250 kcmil for copper (CU) and 350 kcmil for aluminum (AL).

Question 13

According to Table 310.15(B)(16) in the NEC, the ampacity for a 12 AWG copper conductor using the 60 degree Celsius column is ____________.

Accepted Answer

According to Table 310.15(B)(16), the ampacity for a 12 AWG copper conductor using the 60 degree Celsius column is 20 amps.

Question 14

The NEC states that each two-wire small appliance circuit shall be computed at ____________________ volt-amperes.

Accepted Answer

The answer of The NEC states that each two-wire small...

Question 15

According to Section 310.15(B)(7)(1), for one-family dwelling service entrance ratings of 100 through 400 amps the service conductors can have a rating of _____ percent of the service rating.

Accepted Answer

According to Section 310.15(B)(7)(1), for one-family dwelling service entrance ratings of 100 through 400 amps, the service conductors can have a rating of 83 percent of the service rating.

Question 16

Another way to calculate the minimum number of general lighting circuits required in a dwelling unit is to divide the total habitable square foot living area by ____________ square feet for 15 amp branch circuits and ______________ square feet for 20 amp branch circuits.

Accepted Answer

According to the National Electrical Code, each 15 amp branch circuit can handle a maximum of 600 square feet of living space and each 20 amp branch circuit can handle a maximum of 800 square feet of living space. Therefore, dividing the total habitable square foot living area by these values will give the minimum number of general lighting circuits required. The closest option to these values is B, which has 600/800 square feet for 15 amp/20 amp circuits.

Question 17

The temperature of the air that surrounds an object on all sides is called ________ temperature.

Accepted Answer

The answer of The temperature of the air that surrounds...

Question 18

All of the following types of branch circuits are found in residential wiring except:

Accepted Answer

All of the other types of branch circuits listed (general lighting, laundry, and small appliance) are commonly found in residential wiring. Large appliance circuits, on the other hand, are typically dedicated circuits for individual appliances such as refrigerators, ovens, and air conditioners.

Question 19

The current in amperes that a conductor can carry continuously under certain conditions of use without exceeding its temperature rating is called __________.

Accepted Answer

The answer of The current in amperes that a conductor...

Question 20

According to NEC Section 310.15(B)(7) in the NEC, the minimum conductor size for a 200 ampere residential service entrance is _________ CU or _________ AL.

Accepted Answer

According to NEC Section 310.15(B)(7), the minimum conductor size for a 200 ampere residential service entrance is 2/0 AWG for copper (CU) and 4/0 AWG for aluminum (AL).

Quiz 6: Determining Branch Circuit, Feeder Circuit, and Service Entrance Requirements

For the types of branch circuits found in residential wiring, the fuse or circuit breaker size can never be larger than ____________________ amps for a 12 AWG copper conductor.

The NEC states that the load for a household electric dryer must be computed at ____________________ watts or the nameplate rating, whichever is greater.

If the total computed load of a residence is 45,840 volt-amperes, the computed amperage of the residence is ____________________ amps.

According to Table 310.15(B) (16) in the NEC, the ampacity for a 3 AWG copper conductor using the 75 degree Celsius column is ____________.

The NEC requires at least ____________________ small appliance circuits be installed in each dwelling unit.

Dividing the total computed load in volt-amperes by the residential service voltage of ____________________ volts will give the minimum ampacity the service conductors must be rated for.

When cables or conductors are physically tied, wrapped, or taped together, they are considered to be ______________.

A 1900 square foot residence has a general lighting load of ____________________ volt-amperes.

The minimum service entrance rating for a single-family home permitted by the NEC is __________ amperes.

A household electric range has a rating of 11 kW. When computing the service load using the standard calculation, a minimum of ____________________ watts will be used.

If an electric dryer has a nameplate rating of 4,500 watts, ____________________ watts will be used in the standard method service calculation.

According to NEC Section 310.15(B) (7) in the NEC, the minimum conductor size for a 300 ampere residential service entrance is _ CU or _ AL.

According to Table 310.15(B) (16) in the NEC, the ampacity for a 12 AWG copper conductor using the 60 degree Celsius column is ____________.

The NEC states that each two-wire small appliance circuit shall be computed at ____________________ volt-amperes.

According to Section 310.15(B) (7) (1) , for one-family dwelling service entrance ratings of 100 through 400 amps the service conductors can have a rating of _____ percent of the service rating.

Another way to calculate the minimum number of general lighting circuits required in a dwelling unit is to divide the total habitable square foot living area by square feet for 15 amp branch circuits and __ square feet for 20 amp branch circuits.

The temperature of the air that surrounds an object on all sides is called ________ temperature.

All of the following types of branch circuits are found in residential wiring except:

The current in amperes that a conductor can carry continuously under certain conditions of use without exceeding its temperature rating is called __________.

According to NEC Section 310.15(B) (7) in the NEC, the minimum conductor size for a 200 ampere residential service entrance is _ CU or _ AL.

Quiz 6: Determining Branch Circuit, Feeder Circuit, and Service Entrance Requirements

For the types of branch circuits found in residential wiring, the fuse or circuit breaker size can never be larger than ____________________ amps for a 12 AWG copper conductor.

The NEC states that the load for a household electric dryer must be computed at ____________________ watts or the nameplate rating, whichever is greater.

If the total computed load of a residence is 45,840 volt-amperes, the computed amperage of the residence is ____________________ amps.

According to Table 310.15(B) (16) in the NEC, the ampacity for a 3 AWG copper conductor using the 75 degree Celsius column is ____________.

The NEC requires at least ____________________ small appliance circuits be installed in each dwelling unit.

Dividing the total computed load in volt-amperes by the residential service voltage of ____________________ volts will give the minimum ampacity the service conductors must be rated for.

When cables or conductors are physically tied, wrapped, or taped together, they are considered to be ______________.

A 1900 square foot residence has a general lighting load of ____________________ volt-amperes.

The minimum service entrance rating for a single-family home permitted by the NEC is __________ amperes.

A household electric range has a rating of 11 kW. When computing the service load using the standard calculation, a minimum of ____________________ watts will be used.

If an electric dryer has a nameplate rating of 4,500 watts, ____________________ watts will be used in the standard method service calculation.

According to NEC Section 310.15(B) (7) in the NEC, the minimum conductor size for a 300 ampere residential service entrance is _________ CU or _________ AL.

According to Table 310.15(B) (16) in the NEC, the ampacity for a 12 AWG copper conductor using the 60 degree Celsius column is ____________.

The NEC states that each two-wire small appliance circuit shall be computed at ____________________ volt-amperes.

According to Section 310.15(B) (7) (1) , for one-family dwelling service entrance ratings of 100 through 400 amps the service conductors can have a rating of _____ percent of the service rating.

Another way to calculate the minimum number of general lighting circuits required in a dwelling unit is to divide the total habitable square foot living area by ____________ square feet for 15 amp branch circuits and ______________ square feet for 20 amp branch circuits.

The temperature of the air that surrounds an object on all sides is called ________ temperature.

All of the following types of branch circuits are found in residential wiring except:

The current in amperes that a conductor can carry continuously under certain conditions of use without exceeding its temperature rating is called __________.

According to NEC Section 310.15(B) (7) in the NEC, the minimum conductor size for a 200 ampere residential service entrance is _________ CU or _________ AL.

According to NEC Section 310.15(B) (7) in the NEC, the minimum conductor size for a 300 ampere residential service entrance is _ CU or _ AL.

Another way to calculate the minimum number of general lighting circuits required in a dwelling unit is to divide the total habitable square foot living area by square feet for 15 amp branch circuits and __ square feet for 20 amp branch circuits.

According to NEC Section 310.15(B) (7) in the NEC, the minimum conductor size for a 200 ampere residential service entrance is _ CU or _ AL.