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NHIE Electrical Practice Test Questions and Answers All Correct

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NHIE Electrical Practice Test Questions and Answers All Correct Which of the following is the MOST common problem associated with fuses? A. They fail to blow at the rating of the fuse B. Installing 60-amp cartridge fuses where 20-amp fuses are required C. Cartridge fuses falling out of thei...

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  • September 23, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • nhie electrical
  • nhie electrical practice test
  • nhie electrical practice test questions and answer

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  • NHIE Electrical
  • NHIE Electrical

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NHIE Electrical Practice
Test Questions and
Answers All Correct
Which of the following is the MOST common problem associated with fuses?

A. They fail to blow at the rating of the fuse
B. Installing 60-amp cartridge fuses where 20-amp fuses are required
C. Cartridge fuses falling out of their fuseholders
D. Installing Edison-base fuses with a rating that is too large for the conductor - Answer
✅ D. Installing Edison-base fuses with a rating that is too large for the conductor

The aluminum wire size that corresponds to a 20 amp breaker is

A. eight
B. ten
C. twelve
D. fourteen - Answer ✅ B. ten.

A fuse rated for 30 AMPS is color coded

A. red
B. blue
C. green
D. black - Answer ✅ C. green

Unused breaker openings:

A. are dangerous and pose an electrical hazard
B. provide access to the panel with the cover closed
C. should be covered with electrical tape
D. should be connected - Answer ✅ A. are dangerous and pose an electrical hazard

The MOST common color coding for 240V electrical conductors in a multi-conductor
cable is

A. black neutral, white ground and green hot

, B. black and white hot and green ground
C. black and red hot and white for neutral/ground
D. black and red hot and green ground - Answer ✅ C. black and red hot and white for
neutral/ground.

There are three conductors at the weatherhead. What is the nominal electric service?

A. Three phase 240 volts
B. 120/240 volts, 100 amps
C. 120 volts, 60 amps
D. single phase, 120/240 volts - Answer ✅ D. Single phase, 120/240 volts.

The current MINIMUM service requirement for a new single family home is:

A. 100 amps
B. 125 amps
C. 150 amps
D. 200 amps - Answer ✅ A. 100 amps

What does a service drop drip loop prevent?

A. water entering the meter base and panel
B. excessive stress on the service mast
C. corrosion in the main panel
D. the service drop from coming in contact with a wet roof surface - Answer ✅ A. water
entering the meter base and panel.

The MINIMUM electric service drop clearance above the roadway is:

A. 18 feet (18')
B. 15 feet (15')
C. 13 feet (13')
D. 12 feet (12') - Answer ✅ A. 18 feet (18')
The ampacity of copper-clad aluminum is

A. the same as for copper wiring
B. higher than for copper wiring
C. the same as for aluminum wiring
D. lower than for aluminum wiring - Answer ✅ C. the same as for aluminum wiring.

Electric dryer receptacles in older houses:

A. work with four-wire cords and plugs
B. may share a wire with a 120-volt receptacle
C. require their own circuit

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