N-TBD: United States (USA)
3 1/2" X 3 3/4" (90mm X 96mm)
No markings
Picture courtesy Bob Berry |
3 1/2" X 3 3/4" (90mm X 96mm)
[base view showing wires]
Picture courtesy Bob Berry |
Note this is a dryspot style insulator that allows a wire to pass through the body of the insulator before the service drop providing a proteted "dry spot".