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Exit Signs

The San Francisco green business program requires that energy efficient exit signs be used in businesses seeking certification. It is sometimes difficult to tell which kind you have without opening the sign. Look for a strip of tiny red or green lights to indicate that you have an LED sign, one or two two-pin bulbs that indicate you have an incandescent sign, or two bulbs that look like compact fluorescents to indicate a CFL sign. The incandescent bulbs are usually 15-25 W each, and are labeled as such.