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Colored illumination for exit signs

Summary A telephone company asked whether OSHA had deleted the colored-light requirement for exit signs. A regional OSHA office said the proposal had not changed the rule, so externally illuminated signs still needed the specified colored screen and illumination. OSHA archives the letter.
Document
Federal opinion letter
Agency
Occupational Safety and Health Administration (OSHA)
Document number
1977-02-16-0
Date issued
February 16, 1977
Status
Archived by the agency
OSHA labels this an archive document and warns that it may no longer represent OSHA policy.
Status last verified October 10, 2026

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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

February 16, 1977

Mr. Daniel R. Magnier
New York Telephone
[Recipient address omitted]
Dear Mr. Magnier:

This is in response to your letter requesting clarification of the OSHA Standard 1910.37(q)(6), the last sentence of which requires colored location indicating lights.

According to your letter with an enclosure of an OSHA Standards Notice reproduced in a magazine, there was a proposal to delete the last sentence of 1910.37(q)(6) requiring colored location indicating lights. However, the reproduced article indicated that there was a cancellation date for this notice of July 1, 1974. In looking at the 1976 Volume of the 1910 Standard, we note that the last sentence of 1910.37(q)(6) states, "Artificial light giving illumination to exit signs other than the internally illuminated type shall have screens, discs, or lenses, of not less than 25 square inches area made of translucent material to show red or other specified designating color on the side of the approach." This indicates that there has been no change in the Standard and that the sentence in question has not been deleted. Since that is a fact, then externally illuminated exit signs must be provided with a designating screen lighted with five (5) foot candles on the surface of the exit sign in accordance with the standard.

Please feel free to contact us if there are further questions about OSHA standards.

Sincerely,
Alfred Barden
Regional Administrator
Occupational Safety and Health Administration

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