N.Y. Comp. Codes R. & Regs. tit. 12 § 23-1.30 : DEPARTMENT OF LABOR — Industrial Board Of Appeals — The Industrial Code — Protection In Construction, Demolition And Excavation Operations —1 - General Provisions —1.30 - Illumination

Illumination sufficient for safe working conditions shall be provided wherever persons are required to work or pass in construction, demolition and excavation operations, but in no case shall such illumination be less than 10 foot candles in any area where persons are required to work nor less than five foot candles in any passageway, stairway, landing or similar area where persons are required to pass.

N.Y. Comp. Codes R. & Regs. Tit. 12 § 23-1.30