- Item 74837 - Open-end strain insulator, ca. 1900
- Contributed by Maine Historical Society
- Item 74837
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- *Credit line must read: Collections of Maine Historical Society
These insulators were nicknamed "egg strains" because of their shape. This insulator works under compression, the guy wires pulling through the center of the insulator rather than outwards from the ends.Show Details
The crossed wire grooves also allow the guy wires to remain connected should the insulator break.