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NCCER 26411 EXAM QUESTIONS WITH COMPLETE ANSWERS
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NCCER 26411 EXAM QUESTIONS WITH COMPLETE ANSWERS
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NCCER 26411 EXAM QUESTIONS WITHCOMPLETE ANSWERS
Proof tests are made at _______.
20% of the original factory voltage
35% of the original factory voltage
40% of the original factory voltage
60% of the original factory voltage - Answer-60% of the original factory voltage
The type of termination that only provides some form of electric stress control for the
cable insulation shield terminus is a .
Class 1 termination
Class 2 termination
Class 3 termination
Class 4 termination - Answer-Class 3 termination
Which termination class is the only one that provides a seal against the external
environment?
Class 1
Class 2
Class 3
Class 5 - Answer-Class 1
A suitable connector for medium-voltage cable splices is a compression or .
mechanical type
split-bolt type
crimp type
molded type - Answer-crimp type
A quick test that can be made to determine if an installation is good is known as a(n) .
adequacy test
go/no-go test
insulation resistance test
maintenance test - Answer-go/no-go test
The abrasive recommended for cleaning cable during a splice is .
50-grit emery
80-grit abrasive cloth
100-grit emery
120-grit abrasive cloth - Answer-120-grit abrasive cloth
A knee in a leakage current-versus-voltage plot indicatesa .
corona current
charging current
leakage current
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