Break-strain insulator, ca. 1915

Contributed by Maine Historical Society

Break-strain insulator, ca. 1915

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This strain insulator, used on the support structures for overhead electric railway lines, was found in the Rockland area.

Strain insulators are used on guy wires supporting utility poles or radio antennas to break the electrical path and prevent short circuits or grounding.

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About This Item

  • Title: Break-strain insulator, ca. 1915
  • Creation Date: circa 1915
  • Subject Date: circa 1915
  • Media: Wood, iron
  • Local Code: 2004.090.4433
  • Collection: Central Maine Power Company collection
  • Object Type: Physical Object

For more information about this item, contact:

Maine Historical Society
485 Congress Street, Portland, ME 04101
(207) 774-1822 x230

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