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Course 59983
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What is the advantage of contacts sealed inside a vacuum chamber?
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What is the difference between inching and jogging?
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What is the difference between motor starters and contactors?
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What is the function of overload relays?
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What is the greatest difference between thermal-type and magnetic-type overload relays?
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What organization provides the most standardized set of control symbols used in the United States?
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What two organizations provide standards for determining the size motor starter needed to control a particular size motor?
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What type of overload relay contains a knob for adjusting the trip current of the relay from between about 85% and 115% of the rating of the overload heater?
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When protecting large horsepower motors, what device is used to reduce the amount of current supplied to the overload heater?
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The manual starter shown below ____.
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