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NEC Code 230: Services Exceeding 600V Nominal Quiz
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Question 1 of 12
1. Question
1 pointsOnly those conductors on the ____ side of the service point connection are subject to the requirements of the NEC
Correct
Please Refer: NEC Code 230.200
Incorrect
Please Refer: NEC Code 230.200
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Question 2 of 12
2. Question
1 pointsThe ____is a specific location where the supply conductors of the electric utility and the customer-owned (premises wiring) conductors connect
Correct
Incorrect
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Question 3 of 12
3. Question
1 pointsUnderground service conductors from that point to the termination in the service equipment
they are termed as _____:Correct
Incorrect
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Question 4 of 12
4. Question
1 pointsService-entrance conductors used on circuits exceeding 600V nominal shall not be smaller than ___ unless in multiconductor cable
Correct
Please Refer: NEC Code 230.202(A)
Incorrect
Please Refer: NEC Code 230.202(A)
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Question 5 of 12
5. Question
1 pointsMulticonductor cable used as service entrance conductors in circuits exceeding 600V nominal shall not be smaller than ___
Correct
Please Refer: NEC Code 230.202(A)
Incorrect
Please Refer: NEC Code 230.202(A)
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Question 6 of 12
6. Question
1 pointsThe isolating switch installed near to disconnecting means shall be accessible to ____:
Correct
Please Refer: NEC Code 230.204(C)
Incorrect
Please Refer: NEC Code 230.204(C)
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Question 7 of 12
7. Question
1 pointsAn isolating switch with visible break contacts shall be installed on the ___ of the disconnecting means
Correct
Please Refer: NEC Code 230.204(A)
Incorrect
Please Refer: NEC Code 230.204(A)
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Question 8 of 12
8. Question
1 pointsIsolation Switch grounds the ___ conductors when they are disconnected from high voltage
line buses.Correct
Please Refer: NEC Code 230.204(D)
Incorrect
Please Refer: NEC Code 230.204(D)
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Question 9 of 12
9. Question
1 pointsService disconnecting means in systems rated over 600 volts may not be readily accessible if readily accessible operating mechanism or of an electronic switching devices are available
Correct
Please Refer: NEC Code 230.205(A)
Incorrect
Please Refer: NEC Code 230.205(A)
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Question 10 of 12
10. Question
1 pointsFuses shall not be used as disconnecting means in circuits exceeding 600V nominal:
Correct
Incorrect
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Question 11 of 12
11. Question
1 pointsFor providing short circuit protection, a fuse rated in continuous amperes not to exceed ___ times the ampacity of the conductor
Correct
Please Refer: NEC Code 230.208
Incorrect
Please Refer: NEC Code 230.208
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Question 12 of 12
12. Question
1 pointsCircuit breaker with a trip setting of not more than ___ times the ampacity of the conductors shall be considered as providing the required short-circuit protection.
Correct
Please Refer NEC Code: 230.208
Incorrect
Please Refer NEC Code: 230.208