Composition Strain Insulator

By Barry Conolly; posted May 29, 2012

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This is the only Strain Insulator that I have come across that is not glass or porcelain. It has the following markings, 'ELECTROSE / PAT NOV 17 - 06 / JULY 6 - 09' It molded out of some type of composition material. An odd one.

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