[RE-wrenches] MC4 Y Connectors

[conrad geyser]

Allen,

 

Our read is that it's OK to use unfused wyes on systems with 2 strings only.
If one string shorts, the other string can't overcurrent it.  As soon as you
are ringing together more than two strings, you need to fuse each one.

 

Conrad

Cotuit Solar

 

From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Allen
Frishman
Sent: Wednesday, March 07, 2012 4:35 AM
To: RE-wrenches
Subject: [RE-wrenches] MC4 Y Connectors

 

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 <tel:%28917%29%20699-6641>  - cell
(888) 460-2867 <tel:%28888%29%20460-2867> 
www.aeonsolar.com <http://www.aeonsolar.com/> 

 

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