There is one more thing to consider that just hit me while looking at a Wago. I don't think the insulation of a #10 PV wire is going to fit into the 221-6XX connector. I need to check on that.
On Mon, May 10, 2021 at 4:06 PM Chris Schaefer <ch...@solarandwindfx.com> wrote: > Kudos to Dan Fink. Nice job. Just another reason to send a donation to > Michael Welch. > > Christopher > > On Mon, May 10, 2021 at 3:29 PM Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > >> I agree and I just got written confirmation from Wago that said >> (regarding the 221-4XX series): >> >> WAGO's U.L. Recognition for Series 221 does Not differentiate between AC >> or DC Just Not to exceed 20A >> >> 600V Building Wire or 1000V Luminaires or Signs >> >> No Special designation is required. >> >> On Mon, May 10, 2021, 2:56 PM Dan Fink <danbo...@gmail.com> wrote: >> >>> Esteemed Wrenches; I spoke with engineers at both Wago and 3M today >>> regarding the AC vs. DC ratings of Wago 221 and other wire splicing >>> products. Both engineers stated that standard UL486C (Splicing Wire >>> Connectors) applies to *both* AC and DC voltages unless the product is >>> specifically listed for *only *AC or DC. >>> >>> They both gave the example that the same applies to the actual wire that >>> is being spliced: Is the THWN-2 wire we use inside DC OCPD panels >>> specifically UL rated for DC? *No (UL83)*. Is it acceptable for DC? >>> *Yes,* we use it all the time for DC circuits. How about USE-2 and MC? >>> Can we use them for both AC and DC? *Yes, *we use them all the time for >>> both AC and DC. Is it specifically UL rated for DC? *No. It doesn't >>> need to be.* >>> >>> Of course any wiring device that *disconnects *any circuit under load >>> must be rated for either AC, DC or both depending on the application. But >>> wire splicing connectors are not intended as a disconnecting device under >>> UL486C. >>> >>> I hope this clears up any confusion. >>> >>> Best regards; >>> >>> Dan Fink >>> Owner, Buckville Energy Consulting LLC >>> IREC Certified Instructor for PV and Small Wind Installation >>> NABCEP Certified PV System Inspector >>> NABCEP PV Associate >>> d <dan.f...@greendustrialtraining.com>anbo...@gmail.com >>> 970-672-4342 >>> >>> >>> On Fri, May 7, 2021 at 3:43 PM Jason Szumlanski < >>> ja...@floridasolardesigngroup.com> wrote: >>> >>>> In another thread these connectors were discussed recently. There was a >>>> question regarding the suitability for DC circuits. I don't think we came >>>> up with any answers or consensus on that. I see the connectors are UL >>>> listed to the 486C standard. I can't determine whether that is applicable >>>> to AC and DC circuits. Does anyone know? >>>> >>>> I have only used these on AC circuits and they have been very >>>> effective. Now I'm curious whether they can be used on DC circuits up to >>>> 600 volts. >>>> >>>> While on the subject, I noticed they are UL 467 listed for grounding >>>> and bonding. That's helpful where you have EGC splices for conductors up to >>>> #10 AWG inside junction boxes. >>>> >>>> Jason Szumlanski >>>> Florida Solar Design Group >>>> >>>> >>>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> Pay optional member dues here: http://re-wrenches.org >>> <https://mailtrack.io/trace/link/a20495a56b13f233b865955cd966fa29fa89f984?url=http%3A%2F%2Fre-wrenches.org&userId=1613865&signature=c5f7802ba978b116> >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> <https://mailtrack.io/trace/link/c74f856037bafbb1bddf21e7183735c523121f7b?url=http%3A%2F%2Flists.re-wrenches.org%2Foptions.cgi%2Fre-wrenches-re-wrenches.org&userId=1613865&signature=4ec7f4b41806af02> >>> >>> There are two list archives for searching. 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