I believe this is from the 1940's. The clamp is to be used on single wire. It will read zero on house wiring that has opposite directional flow.
I believe this is from the 1940's. The clamp is to be used on single wire. It will read zero on house wiring that has opposite directional flow.
I believe this is from the 1940's. The clamp is to be used on single wire. It will read zero on house wiring that has opposite directional flow.
I believe this is from the 1940's. The clamp is to be used on single wire. It will read zero on house wiring that has opposite directional flow.
This item has been removed from a working facility. We cannot possibly describe every detail of this item and what is in the pictures is included in the sale. This item is to be used for its intended purpose.