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 <[email protected] > 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. > > 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? > > 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. > >  > > I am using the panel as a service disconnect for a lineside connection > (can’t 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. Eaton’s retention options only start rt in the 60A range > (the smaller breakers don’t have the hole in them to to put the bolt > through). Square D said they don’t have an option fo for their 70A > panel. There aren’t any good Siemans distributors near me be but I > wasn’t t finding an option via google for them either. > >  > > I talked with another Wrencher on the phone and received this feedback > which I’m 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). > >  > > 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.†> >  > > 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"). > >  > > 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! 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