NCCER TEST PRACTICE GUIDE 2026 QUESTIONS AND 100%
VERIFIED ANSWERS | GRADED A+ | GUARANTEED PASS!!
20 ft
- answer-The length of bare copper conductor in a ground ring MUST be buried no
less than 2.5' below grade and with a length of at least:
a) 10 ft
b) 20 ft
c) 25 ft
d) 50 ft
208 V
- answer-The PEAK voltage in a nominal 120/208 VAC system is:
a) 120 V
b) 170 V
c) 208 V
d) 277 V
3
- answer-What is the MINIMUM number of overload sensing units required for all
three phase motors?
a) 0
b) 1
c) 2
d) 3
8'
- answer-A UL listed rod type grounding electrode must have a MINIMUM length
of:
a) 6'
b) 8'
c) 10'
d) 20'
9..6 ohms
- answer-If the potential across the circuit is 48 volts and the current is 5 amps the
resistance of the circuit is:
VERIFIED ANSWERS | GRADED A+ | GUARANTEED PASS!!
20 ft
- answer-The length of bare copper conductor in a ground ring MUST be buried no
less than 2.5' below grade and with a length of at least:
a) 10 ft
b) 20 ft
c) 25 ft
d) 50 ft
208 V
- answer-The PEAK voltage in a nominal 120/208 VAC system is:
a) 120 V
b) 170 V
c) 208 V
d) 277 V
3
- answer-What is the MINIMUM number of overload sensing units required for all
three phase motors?
a) 0
b) 1
c) 2
d) 3
8'
- answer-A UL listed rod type grounding electrode must have a MINIMUM length
of:
a) 6'
b) 8'
c) 10'
d) 20'
9..6 ohms
- answer-If the potential across the circuit is 48 volts and the current is 5 amps the
resistance of the circuit is:
