The cable female connector was made by several manufacturers, most I have seen were General Electric. I have never seen one with a grounding contact. You can also search for an older extension cord that has two outlets on the sides of and one on the end of the head. Find the ones molded of soft plastic rather than bakelite, and carefully carve or grind off the edges to allow it to go into the connector on the scope. Those with outlet slots on the sides of the head can not be used. Many older General Electric extension cords will plug into the connector without any alterations. Many older 3 wire ground adapters from appliances and power tools will fit into the connector on the scope and then allow you to use almost any extension cord.
Bruce Gentry, KA2IVY
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On 1/1/21 12:09, Paul wrote:
Does anyone know of a source for the cable-end receptacle that mates with the plug shown in this photo
The inside is metal, and I wonder if the original line cord had a metal ground ring that mated with it, like some of the larger twist-lock connectors do.
In lieu of finding the receptacle, I thought I'd replace it with the early hubbell 'midget' (pre NEMA) twist-lock connectors, but even those are too large for this hole, and I'd love not have to modify the chassis. The screw spacing is 1 1/2", and the chassis opening is 1 1/8"
thanks,
Paul
