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Old 01-31-2014, 11:46 AM   #31
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No Square D QO 2-pole CAFCI breakers - options?


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Originally Posted by k_buz
That requirement should have taken effect as of 1/1/14.
Hooray!

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Old 01-31-2014, 02:52 PM   #32
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No Square D QO 2-pole CAFCI breakers - options?


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Originally Posted by gregzoll View Post
Not even in the OP situation. Especially if a Sub-Panel is being suggested. My guess is that their existing panel is filled to capacity, is thy the AHJ suggested putting in a sub.
If you read the thread you will see that this is not the reason a sub-panel was suggested.
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Old 01-31-2014, 07:39 PM   #33
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No Square D QO 2-pole CAFCI breakers - options?


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Originally Posted by JKeefe View Post
If you read the thread you will see that this is not the reason a sub-panel was suggested.
If you took the time to read the thread, I am very aware of the OP situation.
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Old 01-31-2014, 08:03 PM   #34
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No Square D QO 2-pole CAFCI breakers - options?


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Originally Posted by gregzoll View Post
If you took the time to read the thread, I am very aware of the OP situation.
I did...
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Old 02-03-2014, 11:46 AM   #35
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No Square D QO 2-pole CAFCI breakers - options?


This info probably isn't much help to the OP, but for others watching this topic, Eaton/CH does currently have 2-pole CAFCI breakers available.

I recently upgraded my CH panel to (almost all) CACFI breakers, and that's how I discovered I had a MWBC setup for my kitchen. Very admittedly, I should've caught that in my pre-breaker-swap panel review & check-out, but I somehow missed seeing that one old 1-pole breaker that happened to have no neutral. I simply overlooked it - no excuses.

Long story short, I can absolutely confirm that you CANNOT replace the 2 regular 1-pole breakers that may currently be powering your MWBC with 2 1-pole CAFCIs - I learned that the hard way after figuring it was perhaps worth a try... Fortunately, no permananet damage done, and valuable lesson learned!

I was lucky to discover that Eaton/CH has 2-pole CACFIs available, and that worked like a champ on the MWBC once I popped it in.

I've had all the new CAFCI breakers working well for several weeks now - no nuisance trips at all on any of them.

Cheers, Chris

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