NCCER Test Practice Questions With Complete
Solutions 2025
1. Ropebanding In a guardrail system, the guardrails can be made of any of the following
EXCEPT:
a) pipe
b) chain
c) ropebanding
d) cable
2. 9..6 ohms 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
3. 8' A UL listed rod type grounding electrode must have a MINIMUM
length of:
a) 6'
b) 8'
c) 10'
d) 20'
4. 3 What is the MINIMUM number of overload sensing units required for
all three phase motors?
a) 0
b) 1
c) 2
d) 3
5. 90-degrees In a circuit of pure capacitance, the current leads the voltage by an angle
of:
a) 30-degrees
b) 45-degrees
c) 90-degrees
1/
6
, NCCER Test Practice Questions With Complete
Solutions 2025
d) 180-degrees
6. Circular mil
2/
6
Solutions 2025
1. Ropebanding In a guardrail system, the guardrails can be made of any of the following
EXCEPT:
a) pipe
b) chain
c) ropebanding
d) cable
2. 9..6 ohms 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
3. 8' A UL listed rod type grounding electrode must have a MINIMUM
length of:
a) 6'
b) 8'
c) 10'
d) 20'
4. 3 What is the MINIMUM number of overload sensing units required for
all three phase motors?
a) 0
b) 1
c) 2
d) 3
5. 90-degrees In a circuit of pure capacitance, the current leads the voltage by an angle
of:
a) 30-degrees
b) 45-degrees
c) 90-degrees
1/
6
, NCCER Test Practice Questions With Complete
Solutions 2025
d) 180-degrees
6. Circular mil
2/
6
