| 1. |
The branch circuit load for a 12-kilowatt electric range in a dwelling is 8-kilowatts.
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a)
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True
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b)
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False
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| 2. |
An appliance always requires a disconnecting means.
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a)
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True
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b)
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False
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| 3. |
A 40-ampere branch circuit may supply several fixed electric space heaters in a
dwelling.
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a)
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True
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b)
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False
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| 4. |
The rating of the overcurrent protective device for a circuit supplying a hermetic motor-compressor may not exceed 225% of the rated load current under any
circumstances.
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a)
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True
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b)
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False
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| 5. |
To measure the area of a dwelling to determine the lighting load, the outside dimensions, including the garage, are used.
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a)
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True
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b)
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False
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| 6. |
Under no circumstances can the
continuous load supplied by a branch circuit exceed 80% of the conductor
ampacity before the application of any derating factors..
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a)
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True
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b)
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False
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| 7. |
A 20-ampere laundry circuit is always required in each dwelling unit.
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a)
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True
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b)
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False
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| 8. |
Branch circuit conductors supplying fixed resistive type space heaters must be rated
at 125% of the heater load.
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a)
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True
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b)
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False
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| 9. |
The computed load of a feeder
shall not be less than the sum of the loads on the branch circuits
after any applicable demand factors have been applied. |
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a)
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True
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b)
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False
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| 10. |
When the standard calculation method is used, the minimum feeder load for a household electric clothes dryer is 5,000 watts.
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a)
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True
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b)
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False
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| 11. |
The optional calculation method for a dwelling unit may be used when the service is a two-wire, 120-volt service.
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a)
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True
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b)
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False
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| 12. |
The optional calculation method for multi-family dwellings does not apply
to dwellings whose units have neither electric space heating nor air-conditioning.
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a)
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True
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b)
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False
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| 13. |
The service-entrance equipment for a one-family dwelling, if rated 200-amperes and installed indoors, must be illuminated.
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a)
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True
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b)
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False
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| 14. |
The working clearance in front of live parts, operating at 120-volts, must be at least three feet.
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a)
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True
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b)
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False
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| 15. |
The minimum headroom around
a motor control center must be 6 feet. |
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a)
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True
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b)
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False
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| 16. |
On a switchboard with bus bars, normally, phase B would have the highest voltage to ground in a high-leg delta arrangement.
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a)
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True
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b)
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False
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| 17. |
All panelboards shall have a rating not less than the minimum feeder capacity
required for the calculated load. |
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a)
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True
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b)
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False
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| 18. |
In general, a
panelboard shall be protected by an overcurrent protective device having a
rating not greater than that of the panelboard. This overcurrent protective
device shall be located within the panelboard. |
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a)
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True
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b)
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False
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| 19. |
The grounding terminal bar is
not connected to the neutral bar in a panel board not used as service
equipment. |
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a)
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True
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b)
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False
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| 20. |
Transformers rated over 35,000-volts must be installed in a vault.
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a)
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True
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b)
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False
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