2020 NEC Part 5 Questions
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Question 1 of 10
1. Question
1. Meter-mounted transfer switches shall __________ for emergency system use.?
Hint
not be permitted
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Question 2 of 10
2. Question
2. What emergency power system can now be used as an emergency power source?
Hint
DC microgrid
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Question 3 of 10
3. Question
3. Which of the following do not require a sign at the emergency disconnect of an on-site optional standby power source?
Hint
None of the above
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Question 4 of 10
4. Question
4. An Energy Storage System (ESS) is defined as a system that?
Hint
Has a capacity greater than 1kWh
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Question 5 of 10
5. Question
5. A nameplate for an ESS requires which of the following?
Hint
All of the above
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Question 6 of 10
6. Question
6. The maximum voltage of an ESS shall be the rated ESS __________ indicated on the ESS nameplate(s) or system listing.?
Hint
input and output voltage(s)
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Question 7 of 10
7. Question
7. Stand-alone systems can deliver power to?
Hint
Three-phase & single-phase systems
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Question 8 of 10
8. Question
8. What is called an electrical ground reference for operational purposes that is not solidly grounded?
Hint
Grounded, Functionally
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Question 9 of 10
9. Question
9. Regarding DC mircogrids on buildings, what is required on the building directory plaque located at service equipment locations?
Hint
Locations of DC disconnecting means
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Question 10 of 10
10. Question
10. The fire alarm branch-circuit disconnecting means shall be permitted to be secured in the __________ position.
Hint
“on”