29 CFR §1926.56
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)General. Construction areas, ramps, runways, corridors, offices, shops, and storage areas shall be lighted to not less than the minimum illumination intensities listed in Table D-3 while any work is in progress:
- (b)Other areas. For areas or operations not covered above, refer to the American National Standard A11.1-1965, R1970, Practice for Industrial Lighting, for recommended values of illumination.