The federal government's Occupational Safety and Health Administration is responsible for ensuring workplace safety. OSHA has established guidelines in lighting, specifically in the minimum amount of lighting required for working areas, the wiring standards, the safety of lighting outlets and controls, the minimum clearance from light fixtures, artificial light safety and emergency lighting.
OSHA standard 1926.56 established minimum lighting requirements in foot-candles---the amount of illumination produced by a candle from 1 foot distance and abbreviated ftc--- for a variety of work environments. General construction area lighting, warehouses, corridors, hallways, exitways must be at least 5 ftc; general construction areas, concrete placement, evacuation and waste areas, active storage areas, loading platforms, refueling, and field maintenance areas must be lit to a minimum of 3 ftc; general construction plants and shops including indoor bathrooms and mess rooms must be lit to 10 ftc; first aid stations, infirmaries and offices must be lit to 30 ftc. Read More . . .