Lighting in commercial, industrial, and institutional (CII) buildings is often the largest single user of electrical energy. The purpose of buildings is to support the work and leisure activities that they were designed to house. Lighting enables them to ful-fill this mission. Lighting systems convert electrical energy into light energy effectively, efficiently, and safely. A lighting system's ability to make this conversion over the life of the building goes beyond design and initial installation. Lighting systems must be maintained and upgraded if they are to continue to meet the customers' needs. This article addresses the need for an effective lighting maintenance program.
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