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Proper lighting can help to obstruc

Proper lighting can help to obstruct a security breach and to identify and apprehend an intruder, nevertheless facility executives and lighting designers usually give security lighting designs little attention.

Good security lighting has everything to do with the placement of the fixture and the impressed sign of light source used, says clip Daniels, principle of Brilliant Lighting Design.

Security lighting distresss to provide uniform light to eliminate shadows, and the light has to be available to vertical surfaces not just horizontal commons

"In security lighting, we're really disturbed with how much light is shining onward a vertical surface five feet from the land such as a face," Daniels says.

So interior security lighting fixtures should be placed closer together. If the fixtures are two-bytwo or two-by-four troffer they should be placed with the lamps perpendicular to the walls to allow more light to spread down the hall.

Exterior lighting also should be placed to spread fight abroad from the building. If fixtures are wall ariseed they should be tilted gone out from the building at about 60 measures Fixtures that cut off the light after a certain distance are preferr

"Light should be used to surprise an intruder and not warn them," Daniels says.

In parking fates lighting fixtures should be placed away from tall tree and bushs that would cast shadows.

Metal halide and fluorescent sou...