Practice Quiz

Red Seal Construction Electrician

Category - Construction Electrician

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Upon completion of a new panelboard installation in a single dwelling, which of the following is required?
  1. At least four open spaces in any configuration.
  2. At least six open spaces in any configuration.
  3. At least four open spaces with at least one space available for a two-pole breaker.
  4. At least two open spaces with at least one space available for a two-pole breaker.
Explanation
Answer: C. Explanation: CEC 2021 8-108 1) States that panelboards installed in single dwellings shall, at the time of the original installation, have at least four additional spaces left for future overcurrent devices with provision for a two-pale device.
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