This section establishes minimal levels of lighting for safety purposes only. Guidelines pertaining to optimal levels of lighting and illumination may be found in Practice for Industrial Lighting, ANSI/IES RP7-1979. (See the resource section of this book on how to contact ANSI.)
Any one single
level* cannot be
Nontask activities for both indoor and outdoor
Lighting levels must be measured at thirty inches above the floor/working surface at the task.
• Lighting levels can be measured with a light meter.
• Conversion information: 1 foot-candle = 1 lumen incident per square foot = 10.76 lux.