Answer / prasad

because railway track acts as a earth conductor-return path

Answer / avinash

Electricity is harnessed from the overhead lines by the
Pentagraph. The Pentagraghs are insulated.The insulators
are placed between the high tension wires and the train
coach.

Answer / sathiarajan

Electric train is a floating system & there is no common
ground. So at any cost the circuit can not completed
through the human body. So we can not feel any shock

Answer / haresh

Because electricity is only passes through the conductors
which are not in touch to coaches of train, electricity
only passes through conductors to the generators, batteries
and all lighting equipments as we use it at our home. So no
feel of electrict shock in an electric train.

Answer / kaji mustufa

As the source used in trains is from overhead lines and it makes contact with PENTOGRAPH contactor but pentograph contactor is insulated from coaches by mounting insulator discs on the top of train..
summerising, electric train and source (i.e. 25kV dc) is electricaly not connected.. Hence no shock....

Answer / vipul dhruv

dear avinash its not pentagraph its pantograph....

Answer / vijay salaskar

Dear Hemant bhai
Ac current have symbolic represebtation ofsin wave where the current go to its min value and max value due to which at minimum point ac current leave the person
But in dccurrent it continuosly supply curent so there is chance of get shock in dc current
So kindly understand this

Answer / ashish mishra

because the coches are not electrically conected to the
current carring wires .

Answer / bibin

The electric train is well insulated from its electrical system

Answer / hemant

because AC is converted into DC and in DC we don't get shock

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