Joining allum nm to copper nm

[toolaholic]

Are crimp sleeves ok? Tanks Tool

[hj]

s far as I know they are the ONLY approved method, IF they are the correct "crimp sleeves" not the ones you stick the wires in and then pinch with a "pliers type" tool. Expansion and contraction make wire nuts impractical.

[jwelectric]

When joining copper and aluminum conductors together the key is to keep them from contacting each other. Any device that allows them to touch each other is not a good idea and will result in a failed connection.

[ballvalve]

How so when most all bus bars are al with copper wires in them?

I would add some no-alox to the crimp too.

[Speedy Petey]

"Crimps" are NOT an approved method. The ONLY approved method is an APPROVED method, such as a CopAlum splice or a specific CO/AL splice.

[toolaholic]

Thank You one N all . I believe during the Nam war a lot of Allum. was used in Homes. Also copper covered Allum. It stinks to relocate a big sub panel with old Allum
and New copper . Long hard day by My self.