Section 39 in The M.P. Cinemas (Regulation) Rules, 1972
39. Conductors.-
(1)All conductors used within the building shall be of tinned copper having a conductivity equal to not less than 90 per cent, of that of pure copper, and shall be so proportioned that the current density in any conductor shall not exceed 1,000 amps, per square inch.(2)Where a number of lights, as in the footlights and battens are supplied under control of the switch and protected by a single or double pole cut-out, as the case may be, the conductors shall be maintained throughout of such sections that will be effectually protected by the cut-outs against heating.
