I LEVEL 3 FINAL TEST Questions
and Answers Verified Solutions Latest
Update
Question:
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?
Answer:
13 receptacles; 180VA
Question:
What is the demand load, in amps, for a single circuit supplying one wall-mounted oven
rated 11.75kW, 1Ø, 240V, and a countertop cooking unit rated 9.6kW, 1Ø, 240V?
Answer:
48.33A
Question:
What is the demand load, in amps, for one household electric range with a nameplate
rating of 16.75kW, 1Ø, 240V?
Answer:
41.67A
Question:
What is the minimum conductor ampacity for four 1,000W, 208V, 1Ø electric
baseboard heaters?
Answer:
24.04A
, Question:
Load calculations for circuits supplying lighting units with ballasts are based upon
_____.
Answer:
the ampere ratings of the ballasts
Question:
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
Question:
The load for 6 of multi-outlet assembly used simultaneously is _____.
Answer:
1,080VA
Question:
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
Question:
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
and Answers Verified Solutions Latest
Update
Question:
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?
Answer:
13 receptacles; 180VA
Question:
What is the demand load, in amps, for a single circuit supplying one wall-mounted oven
rated 11.75kW, 1Ø, 240V, and a countertop cooking unit rated 9.6kW, 1Ø, 240V?
Answer:
48.33A
Question:
What is the demand load, in amps, for one household electric range with a nameplate
rating of 16.75kW, 1Ø, 240V?
Answer:
41.67A
Question:
What is the minimum conductor ampacity for four 1,000W, 208V, 1Ø electric
baseboard heaters?
Answer:
24.04A
, Question:
Load calculations for circuits supplying lighting units with ballasts are based upon
_____.
Answer:
the ampere ratings of the ballasts
Question:
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
Question:
The load for 6 of multi-outlet assembly used simultaneously is _____.
Answer:
1,080VA
Question:
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
Question:
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
