I made the comment that they were not listed for use on DC circuits after I had reviewed the UL testing criteria, and the specifications from the manufacturer – It was not a lighthearted comment…
-Glenn From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On Behalf Of Jason Szumlanski Sent: Friday, May 07, 2021 5:11 PM To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: [RE-wrenches] Wago Connectors (221 series) 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
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