U-1935: Italy
3" X 4" (74mm X 100mm)
(skirt ink stamp)
Picture courtesy Dave Dangora |
3" X 4" (74mm X 100mm)
(skirt ink stamp)
Picture courtesy Dave Dangora |
This is a dryspot insulator where the top unscrews to expose openings inside the skirt and wire groove to allow a telephone drop wire to pass through the insulator to provide a "dry spot" from rain and decrease leakage loss.
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.