Practice Quiz

Red Seal Construction Electrician - Question List

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16.
What minimum clearance is required from any part of a consumer’s overhead service cables and finished grade level when the area below the cable is a driveway to a residential garage?
  1. 3.5m
  2. 4m
  3. 5m
  4. 5.5m
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17.
What is the calculated load for a service feeder for a single dwelling with 200 m2 of living space, 2kW of air conditioning, and a 10kW electric range?
  1. 24000 W
  2. 19000 W
  3. 15000 W
  4. 14000 W
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18.
A consumer’s overhead service conductors are to be routed below the bottom edge of a second story window. What requirement must be met?
  1. Service conductors must always be routed above windows.
  2. The service conductors must be SOW or TECK90 near windows.
  3. 1 m of clearance must be maintained between windows and the service conductors.
  4. There are no requirements for service conductors near windows as long as the minimum height to finished grade level is satisfied.
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19.
Which of the following terms best describes a service marked as being 347/600 V?
  1. 3-Phase Delta.
  2. 3- Phase Wye.
  3. Edison 3-Wire.
  4. Center Tapped Single Phase.
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20.
What is the minimum size of aluminum conductor for an overhead 3-wire single dwelling consumer service if the calculated load is 30200 W with a termination temperature of 90 degrees C?
  1. #3 AWG
  2. #2 AWG
  3. 1/0 AWG
  4. 2/0 AWG
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