Strain Ear

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Another form of an ear that is used for trolley wires. An ear is attached to a suspension by a screw. The suspension is attached to a wire for guidance. The trolley wire is attached to the ear with groove. The holes are used when other wires are needed for extra support.

Source

International Correspondence Schools A Textbook on Electric Lighting and Railways (Scranton, PA: International Textbook Company, 1901)

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