Section 63 in Punjab Cinemas (Regulation) Rules, 1952
63.
All metal work supporting or protecting electric supply lines shall be efficiently earthed by two-separate and distinct connections with the earth. The resistance of the connection with the earth shall not exceed one ohm and all earthing leads shall run in such a manner that the course of each may be readily traced. Where earthing leads pass through walls or laid in floors they shall be suitably protected.
