Safe Parking

摘要

When designing lighting for exterior areas such as parking lots and garages, engineers often find themselves dealing with two competing forces. On the one hand, there are the local energy codes. On the other are the recommended light levels from the Illuminating Engineering Society of North America (IESNA). Sometimes, the recommendations or requirements of one agency differs from those of another. But while there may be competing issues with respect to the codes and the authorities having jurisdiction, all parties tend to agree that because of higher color temperatures and a superior color rendition index, metal-halide fixtures are the preferred source for illuminating parking areas. And when one adds pulse-start technologies to metal halides, exterior light efficiency levels are improved even further.