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A residential building is being constructed with a series of outdoor lighting fixtures. What is the maximum number of fixtures that can be connected to a single 15A branch circuit according to the 2023 NEC?

ICC E1 exam practice question · General Requirements

A residential building is being constructed with a series of outdoor lighting fixtures. What is the maximum number of fixtures that can be connected to a single 15A branch circuit according to the 2023 NEC?

  • A5
  • 8
  • C10
  • D12

Exam tip

Always calculate the total current draw of fixtures to ensure compliance with the code's requirements for branch circuit capacity.

Why B is correct

According to Section 210.11(B) of the 2023 NEC, the maximum number of lighting fixtures that can be connected to a single 15A branch circuit is 8, provided that the total current does not exceed 80% of the circuit's rating.

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