[RE-wrenches] Retaining Clips

[AE Solar]

OK thanks August. 2014 NEC 705.12(D) (5) is the answer I was looking for. I
wasn't aware that I didn't need the retention clip. Sorry for the
confusion. Thanks everyone.


On Wed, Nov 30, 2016 at 9:00 PM, Drake <drake.chamberlin at redwoodalliance.org
> wrote:

> Hi Adam,
>
> It ok for the main lugs to be hot. There will always be a hot wire in the
> box somewhere. The main lugs are a very safe place to land it. Even with
> main breakers, the lugs feeding the breakers are always hot.
>
> This is a lot safer than having an "always hot" wire going to a breaker
> that could conceivably come loose even with a retainer.
>
> Best,
>
> Drake
>
>
> At 02:11 PM 11/30/2016, you wrote:
>
> I'm also just now realizing that if I were to rate my wire from the
> tap/main panel to my 70A disconnect I would want #6awg wire and the QO
> breakers only go to #8.Â
>
> Drake if I went from the tap right into the lugs, it would leave those
> lugs hot and exposed. Is that my only option though?Â
>
> Adam Katzman
> Autonomous Energies
> PO Box 1245
> Kingston, NY 12402
> www.autonomousenergies.com
> (518) 567-1468
>
>
> On Wed, Nov 30, 2016 at 1:57 PM, Drake < drake.chamberlin@
> redwoodalliance.org> wrote:
> Can you come out of the line side tap to the lugs, and connect the solar
> to the breaker terminals? This way a retainer clip is not required.
>
> At 11:12 AM 11/30/2016, you wrote:
>
> Sorry I should have elaborated more from the beginning.
>
> Â
>
> I am using the panel as a service disconnect for a lineside connection
> (can̢۪t use a fused/bladed disco because of space conconstraints).
> Originally I bought a QO 70A panel, but soon realized that the Square D
> retention clip (PK2MB) is only compatible with their larger panels. So I
> bought a larger panel (100A 8 Circuit) and then received some feedback that
> having the open spaces (even if labeled that “Do N Not Add Loads†)
> could raise a flag with an inspector. So then I was back on the hunt for a
> dedicated 2 Pole 60A or 70A panel with a compatible retention clip for a
> 30A breaker. Eaton̢۪s retention options only start rt in the 60A range
> (the smaller breakers don̢۪t have the hole in them to to put the bolt
> through). Square D said they don̢۪t have an option fo for their 70A
> panel. There aren̢۪t any good Siemans distributors near me be but I
> wasn̢۪t t finding an option via google for them either.
>
> Â
>
> I talked with another Wrencher on the phone and received this feedback
> which I̢۪m just going to cut and paste to include it it in this thread:
>
>
> “The NEC doesn’t require a hold hold down clamp for the circuit
> breaker unless it can be backfed from a multi-mode or stand-alone inverter
> (690.10(E)).
>
> The language implies that a hold-down is therefore not required elsewhere.
> Most modern breakers (def. QO’s) are not ot marked “line†¬ and
> “load†so no problem there (also in in same code section).
>
> Â
>
> Even when it was a requirement for all PV outputs, John Wiles had argued
> that taking off the panel cover, which required a tool, served as the
> hold-down, and this was generally accepted.â€
>
> Â
>
> So taken that advice I’m back to using the QO 70A panel but without a
> retention clip (or calling the lid the "retention clip").
>
> Â
>
> For what its worth I have passed inspections prior using the retaining
> clip from a generator interlock kit (QOCGK2C) on a QO 100A panel, but
> felt like there must be a better option out there....
>
> Adam Katzman
> Autonomous Energies
> PO Box 1245
> Kingston, NY 12402
> www.autonomousenergies.com
> (518) 567-1468
>
>
> On Wed, Nov 30, 2016 at 10:45 AM, Drake < drake.chamberlin@
> redwoodalliance.org> wrote: Siemens has main breaker retainers. The
> retainers for QO seem work on some boxes and not others. It doesn't work on
> 6 space boxes I've purchased, but does work on the 8.
>
> At 10:14 PM 11/29/2016, you wrote:
>
> Wrenchers,
> I’m trying to find a 60A 2 Pole Breakeaker Box that hashas a
> compatible retaining clip. The QO retaining clip (PK2MBCP) seems to only be
> compatible with their 4-8 circuit load centers. What are my options?
> Thanks! Thanks
> Adam _______________________________________________ List sponsored by
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