Overhead Wiring

Some articles on overhead, wiring, overhead wiring:

Rail Freight Transport - Containerization - Double-stack Containerization
... This usually precludes operation of double-stacked wagons on lines with overhead electric wiring ... China runs double stack trains with overhead wiring, but does not allow two maximum height containers to be stacked ... These lines are diesel operated with no overhead wiring ...
Trolley Pole - Decline in Usage On Railways
... However, on most railway vehicles using overhead wire, the trolley pole has given way to the bow collector or, later, the pantograph, a folding metal device that presses a wide contact pan against ... exclusively also eliminates the need for wire frogs (switches in the overhead wiring) to make sure the pole goes in the correct direction at junctions ... the difficulty and expense of modifying long stretches of existing overhead wires to accept pantographs ...

Famous quotes containing the word overhead:

    What a fog! Plane been buzzin’ around overhead for the last half hour. Must be like trying to find your way through the inside of a cow. I never did see such a country. Even the birds are walkin’.
    Dalton Trumbo (1905–1976)