The National Park Service (NPS) is in charge of protecting our national parks. It only makes sense, then, that NPS is pushing for environmentally friendly lighting systems in those parks. Green Energy Parks, a joint program of the NPS, the U.S. Department of the Interior (DOI) and the U.S.
In any lighting system, lamps and auxiliary electrical devices fail and must be replaced. Dirt and dust accumulates on fixture surfaces and should be cleaned. System problems must be corrected, and lighting controls should be adjusted as space conditions change.