[RE-wrenches] Retaining Clips

[Drake]

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 (can’t use a 
>fused/bladed disco because of space 
>constraints). 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 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 
>in the 60A range (the smaller breakers don’t 
>have the hole in them to put the bolt through). 
>Square D said they don’t have an option for 
>their 70A panel. There aren’t any good Siemans 
>distributors near me but I wasn’t finding an 
>option via google for them either.
>
>Â
>
>I talked with another Wrencher on the phone and 
>received this feedback which I’m just going to 
>cut and paste to include it in this thread:
>
>
>“The NEC doesn’t require a 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 marked “line” 
>and “load” so no problem there (also 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
>
>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
><http://www.autonomousenergies.com>www.autonomousenergies.com
>(518) 567-1468
>
>
>On Wed, Nov 30, 2016 at 10:45 AM, Drake 
><<mailto:drake.chamberlin at redwoodalliance.org>drake.chamberlin at 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,
>>
>>I̢۪m trying to find a 60A 2 Pole Breaker 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
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