Re: [RE-wrenches] SMA connection box access

Bill--We enlarge knockouts often. The biggest watch out is if the knock out is close to the enclosure wall, it can be a hassle trying to fit the larger lock nut.It's a little harder trying to drill an offset hole with a step bit, but if there's room, we'll just make a new hole for the larger con

Re: [RE-wrenches] SMA connection box access

I'm not sure what you're using for raceway, but if using PVC you could come out of the inverter with 3/4 and immediately transition to 1" with a 1"-3/4" PVC adapter. You can get (4) #6 THWN-2 in a 3/4" PVC conduit at 40% fill. https://www.grainger.com/product/CANTEX-1-x-3-4-PVC-Reducer-4FYK1 Rega

Re: [RE-wrenches] SMA connection box access

You might find the Arctic flex or similar product from cobra w/ adequate ampacity rating using your #8 awg/ 85 A @30c www.polarwire.com 

Re: [RE-wrenches] SMA connection box access

Wrenches It has always been a "no no" to modify any inverter due to warranty concerns but with the -41 if there is an issue it's only the top half of the inverter now to swap so that's a plus but l would get it in writing first anyway to be safe Jerry On Tue, Dec 3, 2019, 6:05 PM frenergy wrote:

Re: [RE-wrenches] SMA connection box access

Bill: Increasing KO size voids warranty. In the past, SMA might repair a dead modified inverter, if possible, but would not exchange one. The logistical difference is, you have to send your modified defective inverter in and wait instead of receiving a refurbished replacement promptly. Wm