Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-railroading-64baea89caac

What is a third rail used for?

Supplying electric power to trains.

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  1. Holding the train's luggage
  2. Supplying electric power to trains ✔
  3. Carrying extra passengers

Why: Some rapid transit systems draw power from a third rail.

Huh, didn't know that: Some rapid transit systems draw power from a third rail.

The dad joke
The third rail is a real live wire.
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References

Answer: Supplying electric power to trains. Some rapid transit systems draw power from a third rail.

  1. Rail transport en.wikipedia.org/wiki/Rail_transport
    Grade-separated rapid transit sometimes uses a ground third rail
    Checked 2026-11-07.

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