Aluminum Terminations on AC equipment

[Greg1707]

I received a call from a customer. The AC people replaced the air handler but did not connect the power because the cable was aluminum. Is it likely the terminations were only rated for copper?

 

[LarryFine]

It's only speculation without asking.

 

[Eddie702]

Pigtails

 

[Jraef]

I received a call from a customer. The AC people replaced the air handler but did not connect the power because the cable was aluminum. Is it likely the terminations were only rated for copper?

Doubtful. Most of them are aluminum box lugs that are Cu/Al.

 

[ModbusMan]

It's only speculation without asking.

Yep, gotta ask. Could just as easily be something like the tech not feeling "right" and calling a stop before getting himself into something dangerous.

 

[retirede]

Yep, gotta ask. Could just as easily be something like the tech not feeling "right" and calling a stop before getting himself into something dangerous.

I prefer that to wrecklessly proceeding if they’re unsure.