9. Which grounding method is typically required of higher-voltage systems? A. Grounding through inductors B. Grounding through a low amount of resistance C. Grounding through a high-impedance device D. Grounding through surge arresters
9. Which grounding method is typically required of higher-voltage systems? A. Grounding through inductors
B. Grounding through a low amount of resistance
C. Grounding through a high-impedance device
D. Grounding through surge arresters
10. Which term relates to the conductors connected to the output side of a separately derived system? A. Neutral conductor
B. Transformer secondary conductor
C. System conductor
D. Derived phased conductor
11. If there's no service disconnect at a remotely supplied building, then the grounding electrode conductor and the equipment grounding conductor can be bonded together at a
A. junction box.
B. structural steel location. C. grounding electrode rod. D. water line.
12. In a DC system, the bonding jumper between the negative of the supply and ground is normally made at the source or at the
A. first disconnecting means. B. first device on the supply. C. end of the DC line.
D. entrance to the building.
13. Which of the following is a common raceway installed for feeders supplying separate buildings or structures?
A. Electrical metallic tubing
B. Nonmetallic underground conduit C. Flexible metallic tubing
D. Rigid metal conduit
14. When a system is grounded _______, it's connected to ground without the insertion of any resistor or impedance device.
A. through an inductor
B. solidly
C. with a surge arrester
D. through a low amount of resistance
15. Which of the following is a condition of the exception that allows the grounded conductor of feeders to be used for grounding at separate buildings or structures?
A. There are common electrically continuous metallic paths between the feeder source and the destination at the structure served.
B. An equipment grounding conductor isn't included with the supply circuit to the separate structure.
C. Ground-fault protection of equipment is provided on the supply side of the feeder.
D. There are common electrically continuous nonmetallic paths between the equipment grounding conductor and the destination at the structure served.
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