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A spacer trolley for a conductor typically refers to a device used in overhead power line systems, particularly in electrified railways or tramways. Its main purpose is to maintain the distance between adjacent conductors, ensuring electrical safety and preventing any contact or short circuits between them.
Spacer trolleys are often mounted on the conductor wires themselves and may include rollers or other mechanisms to facilitate smooth movement along the wires, especially during changes in temperature or wind conditions that might cause the wires to expand or contract. These devices play a crucial role in maintaining the integrity and reliability of the overhead power distribution system.