ggunn
PE (Electrical), NABCEP certified
- Location
- Austin, TX, USA
- Occupation
- Consulting Electrical Engineer - Photovoltaic Systems
The three causes for this I have seen/heard of are:That wire you see is from the melting that happened. They weren't stripped that far back.
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Undertorquing the connection
Overtorquing the connection
Using copper only lugs to connect aluminum conductors