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Porcelain Wire Separators or Arial Spacers |
Trying to reduce urban wiring density, heavy insulated cables separated by these porcelain insulators provided a very compact three phase distribution. These can also be found in plastic and sometimes glass.
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Here is a gray glazed large wire separator. The top would hand from a steel cable, and each of the three phases using heavy insulated cables mount on the three arms. |
Here is a different version that is of a much lighter construction and in a greenish glaze. |
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Here is a much smaller spacer most likely for cables in a tunnel or other very tight space. |
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