CD tbd Russia

Note these are station post style insulators used to insulate switching gear, or other high power equipment. The first one shown has the metal removed.

7 1/8" X 4 1/8" (73mm X 100mm).

(Under top plate) OUI 1C -10A "triangle with JT enclosed" 81 1KV

{found in Ukraine}

Picture courtesy Tom Katonak

Picture showing the metal intact

Picture courtesy Tom Katonak

Picture showing the pole these originally came from -- see six insulators making an insulated platform.

Picture courtesy Tom Katonak