(1) Traction current shall ordinarily remain 'ON' and shall be switched 'OFF' during traffic hours for a specified third rail section by the Traction Power Controller or through his authorised employee immediately after informing the Traffic Controller in emergency, like:--
(a) to stop serious arcing or fusing;
(b) to stop train in unusual circumstances; and
(c) when flood water overflows the central"drain.
(2) When the cause of 'Switching OFF' is over, the employee who has taken emergency power block will inform Traction Power Controller to that effect and cancel the emergency power block.
(3) Before sw�ching 'ON' tr.a current, the Traction Power Controller shall obtain the permis;;,on of Traffic Controller who shall confirm from the Engineering and Signaling cif1c\.?•s that the track is safe and free from any obstructions before permitting energi.c:aiion of third rail. Thereafter, traffic controller will resume the traffic.