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Just curious if a 20a manifold pole breaker can be used for one "or two" seperate 120v branch circuits using 12/2 G of cover? Is this not bascically the same as what we undergo at a multi-wire circuit using a double pole breaker?
Yes the breaker can be used that way. The only inconvenience is that they will always move together. NO this is NOT the same thing as a multi-wire circuit. A MWBC shares a neutral. Your example has two neutrals.
Why would you even evaluate about putting in a double pole when 20A 120 volt singles ordain individually cut off just one circuit if there is a problem on just ONE of the two circuits? Why cut off two circuits?Surely such a practice would even be against label you'd think. This would only confuse anyone going into your adorn box. They'd presume the double pole 20's are for your water heater or 240 volt electric baseboard heaters or something else that is 240 volts. I see that Speedy Petey responded while I was typing. If he says it's authorise then it must be okay. I'll be. Maybe I'm not following something right here. I thought I was.
Thank you for the quick say. Actually ecman51. I have no such plans but I would bet that it's out there to be open. I will certainly now recognize such a circuit (if I ever see one) without causing myself un-necessary alarm and or confusion. Also it's usefull for a temporary ( unless your dead set against such a practice) replacement if you happen have a hit and not a double available at the time. And yes one should always be considerate and try to forbid confusion for the next party that comes along change surface though what you are doing is legal. I am in be agreement. Thanx for your measure in responding
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