Section 72 in The Delhi Metro Airport Express Line, General Rules, 2010
72. Access.
(1)All points of potential access by the public to high voltage equipment shall be kept locked and suitable warning notices displayed therein.(2)All switch gear and other high voltage equipment shall be fenced off and shall be accessible only to authorised staff and access to the live equipment shall only be permitted when the equipment has been switched off and earthed as laid down under special instructions.(3)No person shall work on high voltage equipment, or switch such equipment by local control unless he is properly trained and certified to perform such duties by the Authorised Officer and possesses a valid certificate of competency and he shall also obtain the permission of the traction power controller before undertaking such work and the procedure for obtaining; granting and canceling of such permission shall be laid down in special instructions.(4)No person shall work closer than two meters to a live conductor.
