We use them commonly on our Caribbean off grid installations. It is an efficient and code compliant way to cut down on wire runs and number of breakers in a combiner box while still providing the requisite protection. We never combine more than two strings.
Daryl > Wrenchers, > Has anyone used MC4 Y Connectors to combine strings? This website claims > that they are TUV Certified but does not list the manufacturer. Seems > like best practice to fuse each string but wanted to see what others think > about this product and the idea of fusing every two strings instead of > each individual string. > > http://www.solarpenny.com/MC4-Y-Connectors-609-4431.htm > > Al Frishman > AeonSolar > > (917) 699-6641 - cell > (888) 460-2867 > www.aeonsolar.com > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org

