# Federal Register
1 - 1926.56, 1926.56(a), 1926.56(b) - 90:28366-28370 - Construction Illumination
2 - 1926.56 - 39:10216-23 - Illumination
# Regulations
1 - 1926.56 - Illumination.
# Letters of Interpretation
1 - 1926.56 - OSHA accepts employers' use of the ANSI/IES-RP-7-1991 incorporated by reference or adopted into OSHA standards.
2 - 1926.56 - Requirements for minimum illumination at construction sites.