7/8" X 5/8" (20mm X 17mm)
No markings
Picture courtesy Eric Johnson |
U-1100A: Germany
7/8" X 5/8" (20mm X 17mm)
No markings
Picture courtesy Eric Johnson |
U number assignment by Bob Berry June 2019. Note this is technically a pin type insulator as it is designed to screw onto a metal mount (shown attached). These were likely used in house electrical wiring.
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