NCCER 26411 EXAM QUESTIONS AND ANSWERS

NCCER 26411 EXAM QUESTIONS AND
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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -Class 1

Two methods used to provide stress control for medium-voltage cable terminations are
geometric and .
capacitive
shielded
equipotential
inductive - Correct Answers -capacitive

The power rating of a voltage regulator should be based on the maximum power output
capability of the tester multiplied by a factor of about .
0.8
1.3
2.1
2.5 - Correct Answers -1.3

Materials typically used for cable jackets include neoprene, lead, and .
polychlorprene
PVC