Mike Lamb 14 Report post Posted August 22 Is there any prohibition of mixing copper and aluminum for the SEC hots? Share this post Link to post Share on other sites
Marc 27 Report post Posted August 22 I don't see how it could be a problem, assuming all connectors and devices are listed for it. Share this post Link to post Share on other sites
Erby 13 Report post Posted August 27 I agree with Marc. Share this post Link to post Share on other sites
John Kogel 19 Report post Posted August 27 (edited) Right, just never under the same screw, in a case where 2 conductors are allowed. The Al conductor needs to be the correct gauge, usually one size larger than the corresponding Cu. Edited August 27 by John Kogel Share this post Link to post Share on other sites
ejager 2 Report post Posted October 9 I understood anti-oxidizing paste to be a requirement, but that could be just a Canadian thing. Share this post Link to post Share on other sites
Jim Katen 35 Report post Posted October 10 10 hours ago, ejager said: I understood anti-oxidizing paste to be a requirement, but that could be just a Canadian thing. It's not a requirement of the NEC unless the wire manufacturer or the panel manufacturer require it. Share this post Link to post Share on other sites
