[RE-wrenches] Butt End Connector Warning

Christopher Warfel cwarfel at entech-engineering.com
Thu Oct 6 06:41:54 PDT 2022


You cannot use them with Al. The connection will disintegrate over time. 
I have pictures somewhere of mismatching rail bonding connectors that 
were gone in a year. Chris

On 10/6/2022 9:32 AM, Drake Chamberlin via RE-wrenches 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
>
>
>
>
>
-- 
             Christopher Warfel
                      ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
                                 401-466-8978
<http://entech-engineering.com>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20221006/b1e51bb7/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: EEIlogolong.jpg
Type: image/jpeg
Size: 17117 bytes
Desc: not available
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20221006/b1e51bb7/attachment.jpg>


More information about the RE-wrenches mailing list