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1 - What is the AC output rating of the PV inverter?<br>
2 - What is the size of the feeder conductors?<br>
3 - Does the sub panel at the garage have a main breaker of it's
own?<br>
4 - Does your AHJ or utility require anAC disconnect or not?<br>
<br>
Mark Frye<br>
Berkeley Solar Electric Systems<br>
<br>
<br>
<br>
On 4/11/2012 7:09 AM, Aladdin Solar wrote:
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<div><font face="Arial" size="2">Wrenches:</font></div>
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<div><font face="Arial" size="2">There's probably an obvious
answer but please help me think this through. Here's the
situation--comes up all the time: The PV array and grid-tied
inverter will be located on a detached building (garage or
pole barn, etc.). The existing power to the building is a 240V
60A subpanel connected to the main panelboard at the house or
main building via buried cable. If we obey buss bar loading
and wire sizing, etc, is there any reason why we can't or
shouldn't install the small grid tied PV system and tie it
into the garage subpanel instead of trenching new lines back
to the house and hit the main panel there? One hitch I see is
that if we want a PV system AC disconnect near the main meter,
the whole garage would end up on that. Have I overlooked an
NEC or inverter requirement?</font></div>
<div> </div>
<div><font face="Arial" size="2">Thanks for your comments.</font></div>
<div> </div>
<div><font face="Arial" size="2">Charlie Pickard</font></div>
<div><font face="Arial" size="2">Aladdin Solar</font></div>
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