I am running a 200 amp feeder approx 80' long in 2" EMT. I very rarely use aluminum wire, however with the price of copper skyrocketing I've decided to do so in this situation.
My question is about the equipment ground in the EMT. I would rather run my EG in copper and the hots and neutral in aluminum. I can see no reason why this would be a problem but was wondering if it a poor trade practice for any reason? I guess I would rather use copper when making up ground lugs etc.
Also, how many guys are using aluminum more and what do you think of it. A rep from the aluminum industry was doing some demonstrations in a supply house recently and had some pretty convincing arguments for using aluminum. He showed how the old aluminum conductors were much easier to break after a few bends of the wire and stated that nowhere in the code is the use of deox required. I will still use it though to sleep beter.
