Practice question

What is 'back-feed' and why is it dangerous in a roadway lighting circuit?

Feeding birds at the pole base
When a de-energized circuit is unintentionally energized from another source, creating a hidden shock hazard
Running the circuit in reverse polarity
Feeding power from a solar panel

Answer: B — When a de-energized circuit is unintentionally energized from another source, creating a hidden shock hazard

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