module connection arrangement [RE-wrenches]

[Drake Chamberlin]

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Hi Todd,


At 02:21 PM 5/21/02 -0700, you wrote:
>While series fuses in the panel junction boxes sounds like a good idea, it 
>will
>not protect the conductor between the battery/parallel string connection 
>and the
>panel. I thought that was the whole point of series fusing, to protect the 
>wire
>feeding from the PV's.


The series fuses are to protect the modules from reverse current.   When a 
module has a reverse current flow it gives off heat.

Drake




>Todd
>
>
>Drake Chamberlin wrote:
>
> > With Siemens SP 75 modules, with their excellent junction boxes and 15 amp
> > series fuse rating, I think we can safely use a 15 amp series fuse on each
> > string, in the j box, without concern.
>
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