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Posted by Ignoramus2331 on August 3, 2007, 10:06 am
I suspect that the answer is no, but want to double check.
Residential.
Can I have a circuit, protected by a double pole circuit breaker, that
would have a neutral and both 220v, as well as 110v, outlets.
Obviously, wiring would match the breaker's capacity.
thanks
i
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Posted by on August 3, 2007, 10:51 am
> I suspect that the answer is no, but want to double check.
>
> Residential.
>
> Can I have a circuit, protected by a double pole circuit breaker, that
> would have a neutral and both 220v, as well as 110v, outlets.
> Obviously, wiring would match the breaker's capacity.
>
> thanks
>
> i
No
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Posted by Doug Miller on August 3, 2007, 10:55 am
wrote:
>
>>
>> Can I have a circuit, protected by a double pole circuit breaker, that
>> would have a neutral and both 220v, as well as 110v, outlets.
>
>No
Bzzzt! Sorry, but thanks for playing.
Specifically permitted unter NEC 210.4(C), Exception 2.
--
Regards,
Doug Miller (alphageek at milmac dot com)
It's time to throw all their damned tea in the harbor again.
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Posted by Doug Miller on August 3, 2007, 10:53 am
>Can I have a circuit, protected by a double pole circuit breaker, that
>would have a neutral and both 220v, as well as 110v, outlets.
Yes.
"Multiwire branch circuits shall supply only line-to-neutral loads. ...
Exception: Where all ungrounded conductors of the multiwire branch circuit are
opened simulaneously by the branch-circuit overcurrent device." [2005 NEC,
Article 210.4(C)]
--
Regards,
Doug Miller (alphageek at milmac dot com)
It's time to throw all their damned tea in the harbor again.
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Posted by Ignoramus2331 on August 3, 2007, 11:22 am
>>Can I have a circuit, protected by a double pole circuit breaker, that
>>would have a neutral and both 220v, as well as 110v, outlets.
>
> Yes.
>
> "Multiwire branch circuits shall supply only line-to-neutral loads. ...
> Exception: Where all ungrounded conductors of the multiwire branch circuit are
> opened simulaneously by the branch-circuit overcurrent device." [2005 NEC,
> Article 210.4(C)]
>
>
This is great. I have existing conduit going into my basement
"workshop". It supplies 110v right now. I want to rewire it to supply
20A 220v, with neutral, and will add 110v outlets on both legs, as
well as 220v outlets.
On the main panel, I will use a double pole 220v breaker so that ``all
ungrounded conductors of the multiwire branch circuit are opened
simulaneously by'' that breaker.
The reason for it I want to convert my drill press to three phase with
VFD, mostly for tapping. I need 220v for it.
Also, on the same circuit, outside the basement wall, I want to add
outdoor receptacles (110v and 220v) for my pool's pump. It would be
GFCI protected and I will use outdoor rared hardware.
The above mentioned pump runs a water slide on my inflatable round
pool, which also doubles as a water filter.
i
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