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17 Cards in this Set
- Front
- Back
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What is the identified grounded circuit conductor may be which colour?
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White
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A T-Rated switch may be used to its ? current capacity when controller an incandescent lighting load?
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Rated
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To control a lighting load from one control point, what type of switch would be used?
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Single Pole Switch
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What type of switch is installed to control a lighting fixture from two different control points? How many switches are needed and what types are they?
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2 Switches, Three way
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When connecting single-pole, three-way, and four-way switches, they must be wired so that all switching is done in the ??? Circuit conductor?
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Ungrounded (Hot) conductor
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What must be considered when using a voltmeter to check for blown fuses in a motor branch circuit?
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Feedback through the motor circuit
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Which of the following electrical parameters is best measured with a megohm meter? (Megger)
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Very high resistance
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Why are magnesium rods installed inside a water tank?
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To reduce corrosion
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What value of heat (in watts) would the heater deliver at the new voltage of 120VAC instead of 240VAC
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P=I2R
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How much free conductors at all outlets and junction boxes?
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6"
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Whats a NMSC
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Non-metallic sheath cable
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Whats the indentify conductor?
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neutral
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Where should a box be flush?
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Wood or drywall
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What kind of hazards to motors have?
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Electrical and mechanical
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What do you need for a mechanical hazard?
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A guard
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What do dased lines mean?
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Switch legs
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Where should a gang box be supported by?
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Two sides or solid piece behind it.
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