Practice question

What should a technician do if multiple luminaires on a single circuit are all dark?

  1. Replace all the luminaires immediately
  2. Check the circuit breaker, GFCI, fuse, and power supply at the service panel first
  3. Replace all the photocontrols
  4. Dig up all the underground cable

Answer: B — Check the circuit breaker, GFCI, fuse, and power supply at the service panel first

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