Rare U-924 Imperial in Service

By Jeffrey Kraemer; posted January 7, 2016

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The two similar white Imperial porcelain insulators on the pole's right side were manufactured in 1894-5. I believe that they are the oldest porcelain insulators in continuous service in the United States. Located in South Carolina, they have since been re-cycled into service after deconstruction of the original transmission line.

The far right insulator is one of six-ish reported U-924 wide ear lug tops according to Rain. The other is a U-927C Imperial.