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A combination of a suspension and ear. The ear is made of two pieces hinged (e) together that hold the trolley wire in place. The ear is screwed in (b). This combination is commonly used where the location of the hangers need to change.

Suspension and Ear

A combination of a suspension and ear. The ear is made of two pieces hinged (e) together that hold the…

A left-hand frog, or overhead switch. Switches are used when trolley wires branch off with another wire, like at intersections.

Left-hand Frog

A left-hand frog, or overhead switch. Switches are used when trolley wires branch off with another wire,…

An image of a right-hand frog, or overhead switch. Switches are used when a wire needs to branch off and merge into another wire.

Right-hand Frog

An image of a right-hand frog, or overhead switch. Switches are used when a wire needs to branch off…

A double-curve suspension. This type of suspension is used for trolleys on hilly or uneven roads that cause the trolley to sway. The suspension eases the tension of the trolley wire and makes the trolley a smoother ride.

Double-Curve Suspension

A double-curve suspension. This type of suspension is used for trolleys on hilly or uneven roads that…

A single-curve suspension. This type of suspension is generally used for trolleys that are on a street with many curves. The suspension helps to lessen the tension of the trolley wire.

Single-Curve Suspension

A single-curve suspension. This type of suspension is generally used for trolleys that are on a street…

A form of suspension used when a trolley makes small turns or curves. e is where the span wire is secured. e is then attached by the insulation piece (i) to the arm (p) that carries trolley wire clamp (b) that pivots at d.

Trolley Wire

A form of suspension used when a trolley makes small turns or curves. e is where the span wire is secured.…