Practice question

What is a 'group relamping' maintenance strategy?

Replacing all lamps one at a time as they burn out
Replacing all lamps on a circuit or area at a predetermined interval before end of life, regardless of whether individual lamps have failed
Replacing lamps only when residents complain
Never replacing lamps

Answer: B — Replacing all lamps on a circuit or area at a predetermined interval before end of life, regardless of whether individual lamps have failed

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