[RE-wrenches] Pass through/transition box for Enphase

[Ray Walters]

I think the issue has always been locating the right parts, not the 
installation.  Everyone carries the Cobra X flex, but not the ferrules. 
We usually crimp lugs on and use breakers with stud terminals, so the 
need for ferrules is minimal.
  I have always wondered about the terminal bussbars from Outback and 
Midnite though.  They're ILSCO and I can't find any mention about extra 
flex, which usually means they are not rated for anything beyond Class B 
stranding.

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 8/8/2016 9:54 PM, Jay wrote:
> Thimbles are easy to install and make fine strand wire OK for use in 
> standard connections.
>
> Jay
> Peltz power.
>
> On Aug 8, 2016, at 5:39 PM, Glenn Burt <glenn.burt at glbcc.com 
> <mailto:glenn.burt at glbcc.com>> wrote:
>
>> Be aware that depending upon the vintage of the Engage cable, up to 
>> recently the conductors used in their cables are fine stranded and 
>> cannot be used in the terminal blocks provided with the Soladeck.
>> This has been acknowledged by Enphase with a revision to their Engage 
>> manufacturing spec, and by Soladeck to me in writing. One fix is to 
>> confirm the date of manufacturer of the Engage cable ( much of the 
>> fine strand version remains in distribution). Another is to source 
>> appropriate ferrules to be crimped onto the fine stranded conductors 
>> before using them in the standard Soladeck terminals.
>>
>> Also beware of the same issue if you are splicing with these older 
>> Engage cables. Most screw terminals like Polaris are also not listed 
>> for use with fine stranded conductors. NSI has a special Polaris 
>> terminal that is grey that is listed for use with fine stranding, and 
>> can safely be used.
>> I saw a few incorrect Polaris blocks pulled from an installation 
>> recently that had melted...
>> ------------------------------------------------------------------------
>> From: Michael Morningstar <mailto:mjmorningstar at gmail.com>
>> Sent: ‎8/‎8/‎2016 15:23
>> To: RE-wrenches <mailto:re-wrenches at lists.re-wrenches.org>
>> Subject: Re: [RE-wrenches] Pass through/transition box for Enphase
>>
>> I use DIN rail mount "feed through" terminal blocks. There's all 
>> kinds and you will find some constructed such that no live parts exposed.
>> Michael
>>
>> On Aug 8, 2016, at 8:49 AM, Jason Szumlanski 
>> <jason at floridasolardesigngroup.com 
>> <mailto:jason at floridasolardesigngroup.com>> wrote:
>>
>>> I'm looking to bring 8 Enphase 240V circuits in multiple conduits 
>>> into an enclosure inside the attic where I can transition to Romex. 
>>> I'd rather use some kind of rail mounted terminals in an enclosure 
>>> or something rather than making splices in a generic j-box. I'm not 
>>> looking to combine circuits - just transition from THWN to Romex and 
>>> keep things neat an organized.
>>>
>>> Any suggestions?
>>>
>>> Jason Szumlanski
>>>
>>>
>>>
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