Electrical-Level 3, Chapter 1
What is the totalload, inVA, for two small appliance branch circuits in asingle-family dwelling? -
ANS3,000VA
What is the maximum number ofgeneral-purpose noncontinuous duty duplex receptacles that
can be connected to a20A, 120V circuit in a commercialbuilding? What is the NEC® required
load rating for eachreceptacle? - ANS13receptacles; 180VA
What is the demandload, inamps, for a single circuit supplying onewall-mounted oven rated
11.75kW, 1Ø,240V, and a countertop cooking unit rated9.6kW, 1Ø,240V? - ANS48.33A
What is the demandload, inamps, for one household electric range with a nameplate rating of
16.75kW, 1Ø,240V? - ANS41.67A
What is the minimum conductor ampacity for four1,000W, 208V,1Ø electric baseboard
heaters? - ANS24.04A
Load calculations for circuits supplying lighting units with ballasts are based upon_____. -
ANSthe ampere ratings of the ballasts
What is the calculatedload, inamps, for a 120V circuit supplying four 150W recessed
incandescent fixtures and six recessed fluorescent fixtures operatingcontinuously? (Each
fluorescent ballast is rated at0.65A.) - ANS11.125A
The load for 6 ofmulti-outlet assembly used simultaneously is_____. - ANS1,080VA
The voltage drop for a480V, 3Ø circuit with a load of26.5A, using No. 8 stranded copper
conductors at a circuit length of 145 - ANS5.18V
The voltage drop for a208V, 1Ø circuit with a load of26.5A, using No. 8 stranded copper
conductors at a circuit length of 145 is_____. - ANS5.98V
What is thecurrent-carrying ampacity for each of 10 No. 10 THHN copper conductors installed
in a singleconduit? - ANS20A
What is thecapacity, inamperes, for a 20A circuit breaker supplying a continuousload? -
ANS16A
The general lighting load(expressed as a unit load per squarefoot) for a warehouse is_____. -
ANS1/4VA/sq ft
What is the totalload, inVA, for two small appliance branch circuits in asingle-family dwelling? -
ANS3,000VA
What is the maximum number ofgeneral-purpose noncontinuous duty duplex receptacles that
can be connected to a20A, 120V circuit in a commercialbuilding? What is the NEC® required
load rating for eachreceptacle? - ANS13receptacles; 180VA
What is the demandload, inamps, for a single circuit supplying onewall-mounted oven rated
11.75kW, 1Ø,240V, and a countertop cooking unit rated9.6kW, 1Ø,240V? - ANS48.33A
What is the demandload, inamps, for one household electric range with a nameplate rating of
16.75kW, 1Ø,240V? - ANS41.67A
What is the minimum conductor ampacity for four1,000W, 208V,1Ø electric baseboard
heaters? - ANS24.04A
Load calculations for circuits supplying lighting units with ballasts are based upon_____. -
ANSthe ampere ratings of the ballasts
What is the calculatedload, inamps, for a 120V circuit supplying four 150W recessed
incandescent fixtures and six recessed fluorescent fixtures operatingcontinuously? (Each
fluorescent ballast is rated at0.65A.) - ANS11.125A
The load for 6 ofmulti-outlet assembly used simultaneously is_____. - ANS1,080VA
The voltage drop for a480V, 3Ø circuit with a load of26.5A, using No. 8 stranded copper
conductors at a circuit length of 145 - ANS5.18V
The voltage drop for a208V, 1Ø circuit with a load of26.5A, using No. 8 stranded copper
conductors at a circuit length of 145 is_____. - ANS5.98V
What is thecurrent-carrying ampacity for each of 10 No. 10 THHN copper conductors installed
in a singleconduit? - ANS20A
What is thecapacity, inamperes, for a 20A circuit breaker supplying a continuousload? -
ANS16A
The general lighting load(expressed as a unit load per squarefoot) for a warehouse is_____. -
ANS1/4VA/sq ft
