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Old 06-02-2012, 04:59 PM   #1
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Double tap or not?

Are these Square D breakers rated for two wires?
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Old 06-02-2012, 05:30 PM   #2
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Yes, Square D Homeline breakers are rated to accept two conductors. Just make sure if you're going to add something new, that you check the current load on the circuit to make sure you don't end up tripping the breaker with the new load.


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Old 06-02-2012, 05:42 PM   #3
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Originally Posted by mk00 View Post
Are these Square D breakers rated for two wires?
Yeah they are.

What happened, a home inspector call them out for the dreaded "double tap"?
Sometimes I feel like if I answer any more questions it is like someone trying to climb over a fence to jump off a bridge and me giving them a boost.
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Old 06-02-2012, 06:26 PM   #4
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IIRC, they are allowed to have two wires under the plate, but they have to be the same size wire.
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Answers based on the National Electric Code. Always check local amendments.

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Old 06-03-2012, 12:35 AM   #5
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The other thing it may come up is that you have quite few MWBC there so you will have to watch which circuits on each MWBC is hook up properly and If the MWBC not hook up properly you will burn the netural real easy.

There is a reason why is if you have two MWBC on the same phase or legs ( Line ) you will overload the netural real fast due it will be addtive.

If done properly ( over on two different phase or legs or line ) you will not get the netural overloaded at all.

But the only major quirk with MWBC is if any reason if you lifted the netural it don't have to be at the breaker box but it can be at the junction box as well once you lift the netural you can destory any 120 volt devices by inducing series connection ( some stuff will not affect but with electronique stuff sure no question asked )

The answer will be based on NEC ( National Electrical code ) or CEC ( Cananda Electrical code ) or ECF ( Electrique Code France )
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