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Quiz 7 Elect280 - Question 1 4 4 points Overhead lines of...

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Question 1 4 / 4 points
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Overhead lines of 600 volts or less, with a 10 Amp load and a length of 60 ft. would require a minimum conductor size of _______. #8 Question 2 4 / 4 points Overhead conductors, of 600 volts or less, are required to have a minimum clearance over a roadway of _______. 18 ft. Question 3 4 / 4 points Overhead lines are required to have clearance from an openable window of _____. 3 ft. Question 4 4 / 4 points On a single piece of property where more than one building is served by the same service, it is required to provide at each building's panel __________. main disconnect & grounding electrode Question 5 4 / 4 points Where the interruption of a circuit would create a hazard, overcurrent protection shall be replaced with ________. short-circuit protection Question 6 4 / 4 points
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Where conductors have an allowable ampacity of 760 Amps, they are permitted to be protected by overcurrent devices rated as high as ______. 800 Amps Question 7 4 / 4 points When sizing conductors for a 1000 Amp rated feeder, conductors used are required to have a minimum ampere rating of _______.
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  • Spring '11
  • na
  • International System of Units, Electrical conductor, Circuit breaker, Electrical conduit, Grounding Electrode Conductor

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