Practice question

What is a 'power quality analyzer' used for in roadway lighting troubleshooting?

To measure the weight of the luminaire
To measure and record voltage, current, power, power factor, harmonics, and transient events on the lighting circuit
To measure the pole height
To test the photocontrol sensitivity

Answer: B — To measure and record voltage, current, power, power factor, harmonics, and transient events on the lighting circuit

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