third rail

The phrase "third rail" has multiple meanings depending on the context: 1. Electric Power: In the context of an electric railway system, the third rail refers to an electrified rail that supplies power to the train. It usually runs alongside the tracks and carries a high voltage electrical current, which powers the locomotives or electrically-powered trains. 2. Political Terminology: The phrase "third rail" is often used in political contexts to describe a sensitive, controversial issue or topic that politicians are hesitant to address or take a stance on. It derives from the concept of the electrified third rail on a railway system, indicating that the topic or issue is politically hazardous and could cause negative consequences or backlash if approached or touched upon. Overall, the meaning of "third rail" may vary depending on the context in which it is used.