NCCER Practice
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. In a guardrail system, the guardrails can be made of any of the following
EXCEPT:
a) pipe
b) chain
c) ropebanding
d) cable - Correct Answer: Ropebanding
2. If the potential across the circuit is 48 volts and the current is 5 amps the
resistance of the circuit is:
a) 4.8 ohms
b) 9.6 ohms
c) 48.0 ohms
d) 96.0 ohms - Correct Answer: 9..6 ohms
3. A UL listed rod type grounding electrode must have a MINIMUM length of:
a) 6'
b) 8'
c) 10'
d) 20' - Correct Answer: 8'
, 4. What is the MINIMUM number of overload sensing units required for all
three phase motors?
a) 0
b) 1
c) 2
d) 3 - Correct Answer: 3
5. In a circuit of pure capacitance, the current leads the voltage by an angle of:
a) 30-degrees
b) 45-degrees
c) 90-degrees
d) 180-degrees - Correct Answer: 90-degrees
6. The standard unit for measuring the cross-sectional area of wire is the:
a) circular mil
b) square mil
c) round mil
d) radial mil - Correct Answer: Circular mil
7. The drawing scale is MOST likely to be found in which of the following
drawing locations?
a) The lighting fixture schedule
b) The symbol list
c) The drawing title block
d) The power riser diagram - Correct Answer: The drawing title block
8. 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
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. In a guardrail system, the guardrails can be made of any of the following
EXCEPT:
a) pipe
b) chain
c) ropebanding
d) cable - Correct Answer: Ropebanding
2. If the potential across the circuit is 48 volts and the current is 5 amps the
resistance of the circuit is:
a) 4.8 ohms
b) 9.6 ohms
c) 48.0 ohms
d) 96.0 ohms - Correct Answer: 9..6 ohms
3. A UL listed rod type grounding electrode must have a MINIMUM length of:
a) 6'
b) 8'
c) 10'
d) 20' - Correct Answer: 8'
, 4. What is the MINIMUM number of overload sensing units required for all
three phase motors?
a) 0
b) 1
c) 2
d) 3 - Correct Answer: 3
5. In a circuit of pure capacitance, the current leads the voltage by an angle of:
a) 30-degrees
b) 45-degrees
c) 90-degrees
d) 180-degrees - Correct Answer: 90-degrees
6. The standard unit for measuring the cross-sectional area of wire is the:
a) circular mil
b) square mil
c) round mil
d) radial mil - Correct Answer: Circular mil
7. The drawing scale is MOST likely to be found in which of the following
drawing locations?
a) The lighting fixture schedule
b) The symbol list
c) The drawing title block
d) The power riser diagram - Correct Answer: The drawing title block
8. 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
