Train's Metal Mystery: Why Passengers Stay Safe from High Voltage Shocks

Science
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News18•08-01-2026, 22:06
Train's Metal Mystery: Why Passengers Stay Safe from High Voltage Shocks
- •Faraday Cage principle ensures electricity flows only on the outer surface of the metal train, protecting passengers inside.
- •A robust earthing system directs high voltage current from overhead wires through the wheels directly into grounded railway tracks.
- •Heavy-duty insulators between the pantograph and train body prevent current spread, channeling electricity to the engine's transformer.
- •Despite safety, climbing on the roof or extending metallic objects near wires is extremely dangerous due to 25,000 volts.
- •Safe train design, leveraging the Faraday Cage and earthing, allows secure travel under thousands of volts.
Why It Matters: Faraday Cage, earthing, and insulation are key to passenger safety from high voltage in metal trains.
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