Osha standards state that a minimum of 5 foot candles should be used to illuminate corridors warehouses hallways general construction areas and exit ways.
Osha temporary lighting for construction.
The type of light source does not matter as much as the minimum amount of illumination provided.
Table d 3 minimum illumination intensities in foot candles.
1926 405 a 2 ii j temporary lighting strings used on construction sites.
The july 17 1980 letter from mr.
Occupational safety health administration.
In the case of emergencies for those working underground headlights are required.
Temporary wiring shall be removed immediately upon completion of construction or the purpose for which the wiring was installed.
The occupational safety and health administration s construction regulations specifically 29 cfr 1926 401 require that lights shall be equipped with guards unless the bulb is deeply recessed.
Explosion proof self contained lights the employer shall provide and ensure that each employee uses only explosion proof self contained temporary and portable lights approved for hazardous conditions by a nationally recognized testing laboratory nrtl in any area that the atmosphere is determined to contain a concentration of flammable vapors that are at or above 10 percent of the lower.
09 16 1981 1926 405 b 2 electrical standard requirements concerning covers for electrical pull boxes junction boxes and fittings.
Ericson addresses issues raised by mr.
Ericson in a letter to osha i e what are the requirements that must be met for temporary lighting strings with non heavy duty cord to acceptable to osha.
It is osha s position that temporary lighting strings used on construction sites which do not.
Complying with osha lighting standards.
To further conform to osha temporary lights must have exposed noncurrent carrying metal parts properly grounded and temporary lighting stringers or streamers arranged to avoid overloading.
The one exception is that temporary electrical installations of more than 600 volts may only be used in emergency situations tests or temporary construction activities.
Osha regulations also command that cords be kept out of any walking working area or other location where they are exposed to potential damage.
Receptacles for uses other than temporary lighting shall not be installed on branch circuits which supply temporary lighting.
This is in response to your recent inquiry requesting a clarification of standards for temporary wiring and temporary lighting in heavy construction.