Section 72 in The Tamil Nadu Cinemas (Regulation) Rules, 1957
72.
Within the enclosure the insulating material of all electric cables, including those leading to illuminating lamps, shall be covered with fire-resisting material. If the electric pressure to the cabin exceeds 125 volts, all cables inside the cabin shall be enclosed in screwed metal conduits connected to the earth. Lead covered cables shall not be used unless enclosed in such conduits.
