Maintenance Tips & Tricks – 2000 – #14

By Plant Engineering Staff August 1, 2000

Replacing lampsProblem: Incandescent panel indicator lamps burn out frequently, and operators and technicians do not know the status of the equipment. Unplanned maintenance work is necessary to replace indicator lights, exit sign lamps, and beacon lamps. Can this problem be minimized?

Solution: Replace the incandescent lamps with LEDs, which are available in several bases, voltages, and colors. LED lamps last more than 10 yr and withstand shock, vibration, extreme temperatures, and frequent switching.

Contributor: Wayne Walters, Reliability Engineer, Eli Lilly and Co., Indianapolis, IN; 317-433-5838;

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