Practice question

What is the correct procedure for replacing an HPS lamp in a roadway luminaire?

Replace while the circuit is energized to save time
De-energize and lock out the circuit, allow the lamp to cool, then replace with the correct wattage and type
Use any lamp available regardless of wattage
Replace the entire luminaire

Answer: B — De-energize and lock out the circuit, allow the lamp to cool, then replace with the correct wattage and type

The correct answer is shown above. Try the full quiz for additional practice.