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26306-11 Distribution Equipment

1. Connection diagrams should be used to ________.

Question 1 of 20

2. The four basic types of current transformers are bar, window, bushing, and ________.

Question 2 of 20

3. Equipment interrupting ratings sufficient to interrupt the current and voltage available at the line-side terminals of the equipment can be found in ________.

Question 3 of 20

4. The three sections of switchgear enclosures are the front section, the bus section, and the ________.

Question 4 of 20

5. The voltages and currents used in the primary circuits of substations are reduced to usable levels by ________.

Question 5 of 20

6. Which of the following tests is conducted in order to detect loose connections?

Question 6 of 20

7. The continuous current that a circuit breaker can carry without exceeding a specified temperature rise is known as the ________.

Question 7 of 20

8. Nonstandard abbreviations on electrical prints will typically be defined on the ________.

Question 8 of 20

9. Wires from a sensor to a ground fault relay should be no longer than ________.

Question 9 of 20

10. What is the standard output voltage of potential transformers?

Question 10 of 20

11. The three basic methods of sensing ground faults are ground-return, residual, and ________.

Question 11 of 20

12. The standard secondary circuit current for a current transformer circuit is ________.

Question 12 of 20

13. Field marking of service equipment shall include the ________.

Question 13 of 20

14. The basic purpose of switchgear is to ________.

Question 14 of 20

15. According to the NEC®, neutral conductors size No. 6 and smaller must have a continuous marking of white or ________.

Question 15 of 20

16. Which of the following abbreviations is used on electrical drawings to represent an oscilloscope?

Question 16 of 20

17. Circuit breakers are divided into how many general classifications?

Question 17 of 20

18. The most important consideration for selecting a current transformer for relaying is the ________.

Question 18 of 20

19. Circuit breaker ratings are given ________.

Question 19 of 20

20. Which of the following sections of a manufacturer drawing shows the front view of the switchboard along with dimensions?

Question 20 of 20