Quiz 2 Elect280

Quiz 2 Elect280 - Question 1 To find the total current of a...

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Question 1 To find the total current of a 3 phase, 120/208-volt system, divide total VA. by _______.   Question options:  360   Question 2 4 / 4 points Terminals that are used for more than one conductor are required to be _____. Question options:  identified as such Question 3 4 / 4 points Where 50 Amp rated circuit conductors are connected to a 20 Amp rated overcurrent device, the ampere rating of that circuit is ______. Question options:  20 Amps Question 4 4 / 4 points Where the available interrupting fault-current (A.I.C.) at the terminals of a switchboard is 50,000 Amps, the equipment is required to have a minimum A.I.C. rating of_________.   Question options:  50,000   Question 5 4 / 4 points
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To find the current of a 3 phase, 277/480 volt system, divide the total volt-amperes by ________. Question options:  831 Question 6 4 / 4 points The allowable ampacity of a conductor is determined by the temperature rating of ________   Question options:  A, B & C Question 7 4 / 4 points Where a 1200 Amp Switchboard, that is 8 ft. wide, is located in an Electric Room, access requirements to
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This note was uploaded on 05/07/2011 for the course ELECT na taught by Professor Na during the Spring '11 term at American River.

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Quiz 2 Elect280 - Question 1 To find the total current of a...

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