Practice Quiz

Red Seal Construction Electrician

Category - Construction Electrician

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The consumer’s service conductors to a small service on a farm outbuilding have been ran using AC90 #10 AWG aluminum cable, with 1m of wire left beyond the service head. The service is feeding two 15 A circuits with a termination temperature of 75 degrees C. What part of the installation is not code compliant?
  1. Too much wire has been left beyond the service head.
  2. Aluminum conductors cannot be used as service conductors.
  3. AC90 is not approved for service conductors.
  4. The wire size of the cable is too small.
Explanation
Answer: D. Explanation CEC 2021 6-302 4) Consumer’s service conductors shall be not less than No. 10 AWG copper wire, nor less than No. 8 AWG aluminum wire.
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