NCCER Test Practice with complete solutions 2024_2025.
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Course
NCCER
Institution
NCCER
Ropebanding
In a guardrail system, the guardrails can be made of any of the following EXCEPT:
a) pipe
b) chain
c) ropebanding
d) cable
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....
NCCER Test Practice with complete
solutions 2024/2025
Ropebanding - ANSWER- In a guardrail system, the guardrails can be made of
any of the following EXCEPT:
a) pipe
b) chain
c) ropebanding
d) cable
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:
a) 4.8 ohms
b) 9.6 ohms
c) 48.0 ohms
d) 96.0 ohms
8' - ANSWER- A UL listed rod type grounding electrode must have a MINIMUM
length of:
a) 6'
b) 8'
c) 10'
d) 20'
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
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