Can someone please explain why this is a bad practice? My understanding is
the fuse will still prevent backfeeding a fault by more than one additional
string, 
the one paired by the Y connector. All the other strings are downstream of 
the fuse.

Dick Ratico

--- You wrote:
> 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
--- end of quote ---

