[Shop-talk] Square D QO breaker Box

Eric Russell ejrussell61 at gmail.com
Wed Apr 14 12:23:18 MDT 2021


Not being an electrician and not having stayed at any hotels recently I've
stayed out of this exchange. Until now...

Have you looked at RV power supplies? The one in our motorhome has 6 120v
breakers, 10 12v fuses and a 120v AC to 12v DC converter.

Eric Russell
Mebane NC

On Wed, Apr 14, 2021, 2:10 PM Brian K <bk13 at earthlink.net> wrote:

> I'd reach out to Square D and see their recommendation for 120v options.
> There may be a bus bar jumper designed to connect the bars. They may even
> recommend a better panel.
>
>  I'm under the impression that you can't connect multiple wires in a
> breaker lug. Even had a home inspector write up two wires on the same
> breaker as a violation.
>
> Brian
>
> On Apr 14, 2021 8:22 AM, Jack Brooks <JIBrooks at live.com> wrote:
>
> Mark,
>
>
>
> Yes, that screw down connection is sized for 2/0, so I can squeeze two
> wires in one side of the circuit and run one over to the other side.  This
> seemed logical, but I just wanted to be sure that it was a reasonable
> solution.
>
>
>
> Thank you,
>
>
>
> Jack
>
>
>
> *From:* Shop-talk <shop-talk-bounces at autox.team.net> * On Behalf Of *Mark
> Miller
> *Sent:* Wednesday, April 14, 2021 12:19 AM
> *To:* shop-talk at autox.team.net
> *Subject:* Re: [Shop-talk] Square D QO breaker Box
>
>
>
> It is designed to be fed by 240V (2 phase 120) power.  If you are feeding
> it with a single leg of 120V just tie the two main lugs together and run
> that from your power source.  The lugs should be large enough to have your
> incoming power go into one and then have a second wire in that lug feed the
> other lug.
>
> Regards,
>
>
>
> Mark Miller   707-490-5834
>
> markmiller at threeboysfarm.com
>
> On 4/13/2021 10:01 PM, shop-talk-request at autox.team.net wrote:
>
> -----Original Message-----
>
> From: David Scheidt <dmscheidt at gmail.com> <dmscheidt at gmail.com>
>
> Sent: Tuesday, April 13, 2021 7:58 PM
>
> To: Jack Brooks <JIBrooks at live.com> <JIBrooks at live.com>
>
> Cc: Shop Talk <shop-talk at autox.team.net> <shop-talk at autox.team.net>
>
> Subject: Re: [Shop-talk] Square D QO breaker Box
>
>
>
> On Tue, Apr 13, 2021 at 6:39 PM Jack Brooks <JIBrooks at live.com> <JIBrooks at live.com> wrote:
>
> I am building a Sprinter van into an RV and have a question about the 120v breaker box (SquareD QO24L70RBCP).  It is a 2-Space, 4-Circuit load center.  My concern is that while the Neutral bar has four positions on a common bar, the two breaker connections are independent, without a common bar between the two.  This surprised the heck out of me. My inverter (Victron 24/70/3000)  has a single AC output with a ?cage clamp? terminal, not a screw down or stud terminal which would be easy. I can run a 6 or 8 AWG from the inverter to the Breaker box, but it needs to go to the two separate screw down terminals.  Physically, I believe I can run an 8 AWG wire into one breaker, and then back out to the other breaker, but I?m concerned about whether this is a code violation.
>
>
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