stew
Senior Member
- Location
- federal way,washington
I ran in to a new construction service for a 4000 square foot house today which in the fierst place seemed like it should have ebeen a 320 anyhow. In the c/h panel (br breakers) the left hand side was breakered all the way down with doubles. They had put a single cicuit on the topmost double and then used multiwire circuits all the way down to the last double where the bottomost was also a single circuit. They did the same thing on the other side with the 15 a circuits ie: first one a single and then down the line with multiwires and the bottomost a single a gain. (fewer 15 circuits tho) 3 afci 15 and 1 2pole 30 and 1 2pole 40. ) I was there to install a 5 ton ac unit which had a min cir amps of 35 so used a 40 mbreaker and # 8 wire. Had to move one afci to accomplish this and now the panel of course is totally maxed out. Poor desigign not usuing a bigger panel . The question is however as the way this is wited it does not allow for handle ties on the multiwires as they are of course on alternate breakers. Is this allowed? I thought all multiwires in a residential had to be handle tied no?
[ June 14, 2005, 11:14 PM: Message edited by: stew ]
[ June 14, 2005, 11:14 PM: Message edited by: stew ]