Thanks, much. Sounds like I ought to get an electrician. I haven't
opened the box up again to check on how many wires of what color are
going where but the breaker is definitely two ganged 15 amp.
Chuck Norcutt
Mike wrote:
> Chuck,
>
> The digest is down so I'm coming into this thread a little late.
>
> It sounds to me like the box was mostly correctly wired...but check a
> few things.
>
> -4 wires coming in at the 230v box, black, red, white ground.
> Originating from a _single_ breaker in the main panel, not two ganged
> together. At this incoming point you should have a service disconnect.
>
> -From there to the 120v outlet box tapped into either the black or the
> red wire _not both_, plus the white wire and the ground. If the ground
> wire is lacking then run a ground wire. This is a 'three legged circuit'
> with a shared neutral and is perfectly acceptable if the combined load
> on that leg of the 230v circuit doesn't exceed the design load. Also the
> red and black wires must come from opposite phases of the main coming
> into the house. Taken care of at the main panel by using a single double
> breaker. This way the neutral wire is not overloaded.
>
> -It isn't clear to me whether the AC requires 230v or 110v, but probably
> 230v. If so then the black _and_ red wires will go to the AC along with
> a ground wire. and maybe the white or maybe not. It will only require
> the white wire if it has 120v components inside. It will also require a
> service disconnect which is maybe your switch? Remember that you can
> easily and cheaply switch off the AC using one leg of the 230v while
> leaving the other leg hot. Potential danger! So it is important that
> the service disconnect cuts off the juice to both legs of the circuit!
> This type of disconnect costs a lot more $$ than a $3 light switch. You
> may be able to use the disconnect at the point the power comes into the
> room but you will also turn off power to the outlet which might not be good.
>
> Hope this helps. If not have your survivors send me your OM's :>)
>
> Mike
>
>
>
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