Level 3 Electronics| COMPLETE STUDY
GUIDE 2026 | VERIFIED ANSWERS | 100%
CORRECT | GRADED A+| PASS
GUARANTEED / RECENT VERSION
Load calculations for circuits supplying lighting units with ballasts are based upon
_____. - ANSWER the ampere ratings of the ballasts
What is the calculated load, in amps, for a 120V circuit supplying four 150W
recessed incandescent fixtures and six recessed fluorescent fixtures operating
continuously? (Each fluorescent ballast is rated at 0.65A.) - ANSWER 11.125A
The load for 6 of multi-outlet assembly used simultaneously is _____. -
ANSWER 1,080VA
The voltage drop for a 480V, 3Ø circuit with a load of 26.5A, using No. 8 stranded
copper conductors at a circuit length of 145 - ANSWER 5.18V
The voltage drop for a 208V, 1Ø circuit with a load of 26.5A, using No. 8 stranded
copper conductors at a circuit length of 145 is _____. - ANSWER 5.98V
What is the current-carrying ampacity for each of 10 No. 10 THHN copper
conductors installed in a single conduit? - ANSWER 20A
, What is the capacity, in amperes, for a 20A circuit breaker supplying a continuous
load? - ANSWER 16A
The general lighting load (expressed as a unit load per square foot) for a
warehouse is _____. - ANSWER 1/4VA/sq ft
The general lighting load for a store is _____. - ANSWER 3VA/sq ft
How many receptacles are required for 90 linear feet of show window area? -
ANSWER 8
A continuous load is defined by the NEC® as a load whose maximum current is
expected to continue for at least _____. - ANSWER 3 hours
Which size copper branch circuit conductors are required to supply an air
conditioning unit with a nameplate rating of 33.5A, 208V, 3Ø? - ANSWER No.
6
Branch circuit conductors supplying continuous duty loads are calculated at
_____. - ANSWER 25% of the rated load
The voltage drop between the point of service and the farthest outlet in a branch
circuit should not exceed _____. - ANSWER 3%
, Using the resistance formula, the voltage drop for an 18A, 208V, 3Ø load with a
total circuit length of 105 using No. 10 solid copper conductors is _____. -
ANSWER 3.96V
A warehouse has 12,500 ft2 of floor area. What is the estimated general lighting
load in VA? - ANSWER 3,125
A continuous load has a maximum current of 25A. What is the minimum rating of
the branch circuit that can be installed? - ANSWER 40A
How many receptacle outlets in a dentist's office can be connected to a 20A,
single-phase 120V circuit if all of the outlets will supply noncontinuous loads?
(Note: NEC Section 220.14(I) assigns a load of 180VA to each nonresidential
outlet.) - ANSWER 13
What is the decimal equivalent of square root of 3? - ANSWER 1.732
What is the recommended maximum voltage drop in a three-phase branch circuit
with a voltage supply of 208V? - ANSWER 6.24V
The voltage drop for a 208V, 1Ø circuit with a load of 26.5A, using No. 8 stranded
copper conductors at a circuit length of 145 - ANSWER 5.98V
What is the calculated load on a 120V branch circuit that is to supply twenty 60W
incandescent fixtures? - ANSWER 10A
, What is the total load for two small appliance branch circuits rated at 20A, 120V?
- ANSWER 3,000VA
What is the demand load for one range with a nameplate rating of 10.8kW? -
ANSWER 8kW
What is the maximum number of general-purpose noncontinuous duty duplex
receptacles that can be connected to a 20A, 120V circuit in a commercial building?
What is the NEC® required load rating for each receptacle?
At a minimum, a 60' long show window would need _____ receptacles. -
ANSWER 13 receptacles; 180VA
At a minimum, a 60' long show window would need _____ receptacles. -
ANSWER 5
What is the load, after applying the appropriate demand factor, for six pieces of
commercial kitchen equipment with a total VA rating of 54,000VA? -
ANSWER 35,100VA
This question requires you to refer to the tables located in NEC Article 430. What
is the motor full load current (FLA) for a 2hp, 230V, single-phase motor? -
ANSWER 12A
candela - ANSWER The international system (SI) unit of luminous intensity. it
is roughly equal to 12.57 lumens.
candlepower - ANSWER the measure of light intensity measured in candelas.
used to indicate the intensity of a light source in a given direction.
GUIDE 2026 | VERIFIED ANSWERS | 100%
CORRECT | GRADED A+| PASS
GUARANTEED / RECENT VERSION
Load calculations for circuits supplying lighting units with ballasts are based upon
_____. - ANSWER the ampere ratings of the ballasts
What is the calculated load, in amps, for a 120V circuit supplying four 150W
recessed incandescent fixtures and six recessed fluorescent fixtures operating
continuously? (Each fluorescent ballast is rated at 0.65A.) - ANSWER 11.125A
The load for 6 of multi-outlet assembly used simultaneously is _____. -
ANSWER 1,080VA
The voltage drop for a 480V, 3Ø circuit with a load of 26.5A, using No. 8 stranded
copper conductors at a circuit length of 145 - ANSWER 5.18V
The voltage drop for a 208V, 1Ø circuit with a load of 26.5A, using No. 8 stranded
copper conductors at a circuit length of 145 is _____. - ANSWER 5.98V
What is the current-carrying ampacity for each of 10 No. 10 THHN copper
conductors installed in a single conduit? - ANSWER 20A
, What is the capacity, in amperes, for a 20A circuit breaker supplying a continuous
load? - ANSWER 16A
The general lighting load (expressed as a unit load per square foot) for a
warehouse is _____. - ANSWER 1/4VA/sq ft
The general lighting load for a store is _____. - ANSWER 3VA/sq ft
How many receptacles are required for 90 linear feet of show window area? -
ANSWER 8
A continuous load is defined by the NEC® as a load whose maximum current is
expected to continue for at least _____. - ANSWER 3 hours
Which size copper branch circuit conductors are required to supply an air
conditioning unit with a nameplate rating of 33.5A, 208V, 3Ø? - ANSWER No.
6
Branch circuit conductors supplying continuous duty loads are calculated at
_____. - ANSWER 25% of the rated load
The voltage drop between the point of service and the farthest outlet in a branch
circuit should not exceed _____. - ANSWER 3%
, Using the resistance formula, the voltage drop for an 18A, 208V, 3Ø load with a
total circuit length of 105 using No. 10 solid copper conductors is _____. -
ANSWER 3.96V
A warehouse has 12,500 ft2 of floor area. What is the estimated general lighting
load in VA? - ANSWER 3,125
A continuous load has a maximum current of 25A. What is the minimum rating of
the branch circuit that can be installed? - ANSWER 40A
How many receptacle outlets in a dentist's office can be connected to a 20A,
single-phase 120V circuit if all of the outlets will supply noncontinuous loads?
(Note: NEC Section 220.14(I) assigns a load of 180VA to each nonresidential
outlet.) - ANSWER 13
What is the decimal equivalent of square root of 3? - ANSWER 1.732
What is the recommended maximum voltage drop in a three-phase branch circuit
with a voltage supply of 208V? - ANSWER 6.24V
The voltage drop for a 208V, 1Ø circuit with a load of 26.5A, using No. 8 stranded
copper conductors at a circuit length of 145 - ANSWER 5.98V
What is the calculated load on a 120V branch circuit that is to supply twenty 60W
incandescent fixtures? - ANSWER 10A
, What is the total load for two small appliance branch circuits rated at 20A, 120V?
- ANSWER 3,000VA
What is the demand load for one range with a nameplate rating of 10.8kW? -
ANSWER 8kW
What is the maximum number of general-purpose noncontinuous duty duplex
receptacles that can be connected to a 20A, 120V circuit in a commercial building?
What is the NEC® required load rating for each receptacle?
At a minimum, a 60' long show window would need _____ receptacles. -
ANSWER 13 receptacles; 180VA
At a minimum, a 60' long show window would need _____ receptacles. -
ANSWER 5
What is the load, after applying the appropriate demand factor, for six pieces of
commercial kitchen equipment with a total VA rating of 54,000VA? -
ANSWER 35,100VA
This question requires you to refer to the tables located in NEC Article 430. What
is the motor full load current (FLA) for a 2hp, 230V, single-phase motor? -
ANSWER 12A
candela - ANSWER The international system (SI) unit of luminous intensity. it
is roughly equal to 12.57 lumens.
candlepower - ANSWER the measure of light intensity measured in candelas.
used to indicate the intensity of a light source in a given direction.
