Wrenches I was ready to order Enphase 215s with the MC4 connectors when I was told by the distributor that these micros with the MC4 was for the Ontario FIT and more expensive so I should go with the Anphenol H4 connectors on the US version. I was leary of using different brands ever since I read the Photon article mentioning that Multi Connect would not honor warranties on their connectors if used with anyone elses connectors. It also would be a UL violation since connectors aren't rated to interchange
So I went to the shop and got a Enphase 190 with H4s and a Yingli 230 with MC4s. Both items are brand new spare parts but to my surprise would not even plug together. The MC male would fit into the H4 female but not the opposite. Looking closer I find that the O-ring on the H4 is about .010" larger in diameter which will clearly never allow it to fit together unless you remove the O-ring. Enphase says nothing in their install documents about not connecting with other brands so I guess they don't recommend it? I don't want to open a can of worms but I want to know what works and what doesn't. thanks as always Jim Duncan North Texas Renewable Energy NABCEP Certified Solar PV Installer No.031310-57 TECL 27398 nt...@1scom.net 817.917.0527 www.ntrei.com
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