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Click for larger image Group relamping is the systematic replacement of the lamps in a lighting installation before they fail. Because of the long and generally uniform life of High Intensity Discharge and Low Pressure Sodium lamps, it's possible to predict when most of the lamps will reach the end of their rated life and to replace them before that point is reached.

Group relamping substitutes low-cost mass production methods for the expensive practice of spot relamping, (where lamps are replaced only when they fail). The labor saving that accrues from group relamping compensates for the shorter time the lamps are left in service.

A group relamping program will result in:

When initiating a group relamping program consider the following:

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