In decades past, electric lighting controls were usually nothing more complicated than manual switches that turned an individual light or a group of lights on and off. In certain situations today, such as small-scale buildings, warehouses supervised by a single building manager, and some private offices, this basic strategy may still be appropriate.

But as building size and complexity grow, manual controls become less effective. Increasingly, building owners and design teams are looking to lighting control strategies such as those listed in Table 1 to provide many performance benefits.

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