Electrical insulator, ca. 1930
Contributed by Maine Historical Society
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This insulator is coated with a composite material containing particles of mica, a mineral also used to insulate early toaster elements, fuses, and switches.
Electrical insulators keep electrical current from "leaking" out of wires.
- Title: Electrical insulator, ca. 1930
- Creation Date: circa 1930
- Media: Ceramic, composite materials
- Local Code: 2004.090.4430
- Collection: Central Maine Power Company collection
- Object Type: Physical Object
For more information about this item, contact:
Maine Historical Society
489 Congress Street, Portland, ME 04101
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