Item 74828 - Pint-ype insulator, ca. 1916

Item 74828 - Pint-ype insulator, ca. 1916
Contributed by Maine Historical Society
Item 74828
Pint-ype insulator, ca. 1916
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Pin-type insulators similar to this Lapp #6183 are still used on utility poles today.

Insulators are necessary on electric lines to prevent current from "leaking" off the line.

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