return path

The route by which a current or signal returns to its source, or to earth.

Noun

  1. The route by which a current or signal returns to its source, or to earth.
    • The inner, or negative, rail is also known as the 'current return' rail, because electrical current needs a circuit - a return path to earth, in other words. - 2012, Andrew Martin, Underground Overground: A passenger's...
    • One rail (known as the traction return rail) is not broken into [track circuit] sections as it provides the return path for the current. - 2023 November 15, Prof. Jim Wild, “This train was delayed because of bad weather...

Forms

return paths