[RE-wrenches] MC4 Y Connectors

Drake drake.chamberlin at redwoodalliance.org
Wed Mar 7 07:26:52 PST 2012


That might be ok for a system with only two strings.

For systems with more than two, it would likely overload the series 
fuses, depending on their rating compared to module output.

At 04:35 AM 3/7/2012, 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>http://www.solarpenny.com/MC4-Y-Connectors-609-4431.htm
>
>Al Frishman
>AeonSolar
>
><tel:%28917%29%20699-6641>(917) 699-6641 - cell
><tel:%28888%29%20460-2867>(888) 460-2867
><http://www.aeonsolar.com/>www.aeonsolar.com
>
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Drake Chamberlin
ATHENS ELECTRIC LLC
OH License 44810
CO license 3773
NABCEP Certified PV
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