[RE-wrenches] Splices in service panel

Mac Lewis maclewis1 at gmail.com
Thu Sep 8 17:22:52 PDT 2016


Hi Ray,

Sorry to be unclear, yes, in almost all cases it would involve a splice of
some kind.  My main issue is can you use a service panel as a pass through
box.

Thanks

On Thu, Sep 8, 2016 at 6:13 PM, Ray Walters <ray at solarray.com> wrote:

> Hi Mac;
>
> I'm not sure I understand how you would extend the wires without splicing.
> BTW you only need to extend the hots, not the neutrals or grounds.
> *NEC 312.8* sets a cross sectional area limit of 75% for the splices and
> wires inside an OCPD Enclosure.
> I just found these inline splices to use instead of the infamous wire
> nut:  http://www.idealindustries.co.uk/product/12/557/67825/.html
> These should make for a cleaner install, and take less precious space, but
> I haven't tried them yet.
>
> R.Ray Walters
> CTO, Solarray, Inc
> Nabcep Certified PV Installer,
> Licensed Master Electrician
> Solar Design Engineer303 505-8760
>
> On 9/8/2016 6:00 PM, Mac Lewis wrote:
>
> Hello wrenches,
>
> We run into many scenarios where we are locating a critical load panel
> adjacent to an existing service to make it easy to move the loads.  I've
> always taken it for granted (as have the electricians that we use) that we
> can't do a splice in the main panel and extend the load wiring to the
> critical load panel.  Is there code violation for doing a splice in the
> main panel and extending the leads to the critical panel?  You would be
> treating the service panel as a pass-trough/splice box for those critical
> loads.
>
> It makes me wonder because of all of the prewired transfer switch packages
> with wire whips already attached that seem to be designed to do just that.
>
> Code references would be appreciated.
>
> Thanks
>
> --
>
>
>
> Mac Lewis
>
> * "Yo solo sé que no sé nada." -Sócrates *
>
>
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-- 



Mac Lewis

*"Yo solo sé que no sé nada." -Sócrates*
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