Question 1

According to NEC Table 310.15(B)(7) in the 2011 NEC, the minimum conductor size for a 200 ampere residential service entrance is _________ CU or _________ AL.

Accepted Answer

According to NEC Table 310.15(B)(7) in the 2011 NEC, 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).

Question 2

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 3

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 4

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 5

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 6

List at least 5 types of branch circuits found in residential wiring.

Accepted Answer

The answer of List at least 5 types of branch...

Question 7

Explain when sub-panels are used in residential wiring.

Accepted Answer

The answer of Explain when sub-panels are used in residential...

Question 8

According to Table 310.15(B)(16) in the 2011 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 2011...

Question 9

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 10

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 11

Explain when bathroom lighting is permitted to be connected to the 20-amp rated bathroom branch circuit.

Accepted Answer

The answer of Explain when bathroom lighting is permitted to...

Question 12

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

Accepted Answer

The answer of ____________________ is the current in amperes that...

Question 13

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

Accepted Answer

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

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

Dividing the total computed load in volt-amperes by the 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 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

According to NEC Table 310.15(B)(7) in the 2011 NEC, the minimum conductor size for a 300 ampere residential service entrance is _________ CU or _________ AL.

Accepted Answer

According to NEC Table 310.15(B)(7) in the 2011 NEC, a 300 ampere residential service entrance requires a minimum conductor size of 250 kcmil for copper (CU) and 350 kcmil for aluminum (AL).

Question 18

Explain how the electric heating and the air conditioning loads are computed when calculating the total electrical load for a residential service.

Accepted Answer

The answer of Explain how the electric heating and the...

Question 19

____________________ temperature is the temperature of the air that surrounds an object on all sides.

Accepted Answer

The answer of ____________________ temperature is the temperature of the...

Question 20

According to Table 310.15(B)(16) in the 2011 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) in the 2011 NEC, the ampacity for a 12 AWG copper conductor using the 60 degree Celsius column is 20 amps.

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

According to NEC Table 310.15(B) (7) in the 2011 NEC, the minimum conductor size for a 200 ampere residential service entrance is _ CU or _ AL.

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

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

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

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.

List at least 5 types of branch circuits found in residential wiring.

Explain when sub-panels are used in residential wiring.

According to Table 310.15(B) (16) in the 2011 NEC, the ampacity for a 3 AWG copper conductor using the 75 degree Celsius column is ____________.

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

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

Explain when bathroom lighting is permitted to be connected to the 20-amp rated bathroom branch circuit.

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

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

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

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

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 Table 310.15(B) (7) in the 2011 NEC, the minimum conductor size for a 300 ampere residential service entrance is _ CU or _ AL.

Explain how the electric heating and the air conditioning loads are computed when calculating the total electrical load for a residential service.

____________________ temperature is the temperature of the air that surrounds an object on all sides.

According to Table 310.15(B) (16) in the 2011 NEC, the ampacity for a 12 AWG copper conductor using the 60 degree Celsius column is ____________.

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

According to NEC Table 310.15(B) (7) in the 2011 NEC, the minimum conductor size for a 200 ampere residential service entrance is _________ CU or _________ AL.

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

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

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

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.

List at least 5 types of branch circuits found in residential wiring.

Explain when sub-panels are used in residential wiring.

According to Table 310.15(B) (16) in the 2011 NEC, the ampacity for a 3 AWG copper conductor using the 75 degree Celsius column is ____________.

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

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

Explain when bathroom lighting is permitted to be connected to the 20-amp rated bathroom branch circuit.

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

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

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

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

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 Table 310.15(B) (7) in the 2011 NEC, the minimum conductor size for a 300 ampere residential service entrance is _________ CU or _________ AL.

Explain how the electric heating and the air conditioning loads are computed when calculating the total electrical load for a residential service.

____________________ temperature is the temperature of the air that surrounds an object on all sides.

According to Table 310.15(B) (16) in the 2011 NEC, the ampacity for a 12 AWG copper conductor using the 60 degree Celsius column is ____________.

According to NEC Table 310.15(B) (7) in the 2011 NEC, the minimum conductor size for a 200 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 Table 310.15(B) (7) in the 2011 NEC, the minimum conductor size for a 300 ampere residential service entrance is _ CU or _ AL.