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Garry Keenor

Trolley OLE uses a conventional section contact wire, but the grooved nature of the slipper means a conventional contact wire clip would foul the slipper. Trolley systems use a slimmer, longer assembly to achieve the same clamping force. This clamp is known as an ear.

Two trolley support wires enter the image from left and right. These are tied to a C-shaped cast iron fitting in the centre of the image. In the middle of the C is held a long thin copper ear clamp, which is clamping a contact wire
A series of copper ears support three contact wires. They are held up in the air by span wires and and in span insulator
Aug 13, 2023, 11:55 AM·Quiet public·Web
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