U-1920: Denmark

3" X 3 3/4" (76mm X 95mm)

 

No markings

 

Picture courtesy Rick Soller

3" X 3 3/4" (76mm X 95mm)

 

No markings (hollow pin base view)

 

Picture courtesy Rick Soller

3" X 3 3/4" (76mm X 95mm)

 

No markings (top view showing wire exit)

 

Picture courtesy Rick Soller

This is a dryspot insulator where the wire drop from the line feeds through the hollow metal pin and exits through a hole at the top. 

U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.

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