(3)Artificial lighting in accordance, with the following standards shall be provided and used in the interior of cotton ginning factories at times when artificial lighting is necessary and is ordinarily used:-(i)by means of electricity, to the satisfaction of the Inspector, one lamp per six gins, each lamp not less than 25 candle power, or(ii)by candles places in glass lanterns of a pattern approved by the Inspector not less than one such lantern for every two gins.
