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Making the Most of Lighting Retrofits by Stan Shook

There are different types of lighting retrofit projects: fixture replacement, relocation, repair, ballast retrofit, clean and relamp only, and various other fixture-related tasks; some projects may not even involve working with existing luminaires. As green building takes an even stronger hold of our industry, the focus of most projects will likely be adding to or enhancing the lighting control systems. So along with swapping out ballasts, replacing fixtures and reconfiguring overhead circuitry, there may be many new switches, sensing devices, signal cabling and control panels with which to deal. The success or failure of your estimate will depend strongly on how much information you have about the existing fixtures, circuitry and your knowledge of the new control systems. Perhaps most importantly, it will depend on how you labor it all.  2/’10 Electrical Contractor