Sign location

- Signs should be placed where they will not be damaged or blocked, and proper illumination should be applied.
The placement of a safety sign should fulfill the following criteria:
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Signs should be located where they won’t be subjected to abrasion, chemical exposure, or other damage. They should not be blocked by doors or other obstructions. Finally, if a sign must be posted near other signs, they should be arranged by importance.
Proper illumination of signs should be applied, even in an emergency. If lighting may be interrupted, such as during a power outage, it may be wise to use emergency lighting or signs with what the American National Standards Institute (ANSI) calls “photoluminescent and/or retro-reflective materials.”
The Occupational Safety and Health Administration (OSHA), for the most part, does not address the illumination of signs. However, 29 CFR 1910.37 goes over the illumination and minimum luminance value of EXIT signs.