Hi drake

Can you give us a part number or picture?

Thx
Jay

> On Oct 6, 2022, at 7:33 AM, Drake Chamberlin via RE-wrenches 
> <re-wrenches@lists.re-wrenches.org> wrote:
> 
> Our electrical supplier seamlessly transitioned from crimp on butt end 
> connectors, that were listed for CU and AL, to unmarked ones that were 
> approved for copper only.
> 
> I became concerned since there was no marking. Calling two electrical 
> suppliers, the guys at the counter had to look up the device to learn that 
> they were listed for copper only. Talking to one of the counter guys, he 
> agreed that electricians were probably using these for aluminum.
> 
> Since the barrels will be insulated, it is not likely that inspectors will 
> see them. The connectors are made of coated copper. I wonder how much of a 
> problem this will be.
> 
> Drake
> 
> 
> 
> 
> 
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