<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>The Last large system I worked on we used direct burial alum 750s. We had a large crew out that day to help with that wire pull, it was 1000'. Eventually the backhoe that dug the trench was used to help pull the wires (slowly!). I guess I'd do it that way again but I don't have lots of experience with large systems like others might. <br><br><div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);">Jesse Dahl</span></div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);">NABCEP PV Installation Professional</span></div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);">IBEW Local 292 - Electrician </span></div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);">Electrical/Solar PV Instructor - HCC</span></div></div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div>Sent from my iPhone</div><div><br>On Sep 28, 2016, at 6:32 PM, Corey Shalanski <<a href="mailto:corey@joule-energy.com">corey@joule-energy.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><span style="color:rgb(68,68,68);font-size:13px">We're in the process of designing our first >1MW system. It will include inverter output combiner panels (potential aggregate current >700A) located approx 100' from the system disconnects.</span><div><span style="color:rgb(68,68,68);font-size:13px"><br></span></div><div><span style="color:rgb(68,68,68);font-size:13px">Since we have never previously dealt with wires this big (2 sets of paralleled 500 mcm?) we are thinking that direct burial (aluminum) conductors might be a good option - any suggestions? What wiring method do others use for this type of </span><em style="color:rgb(68,68,68);font-size:13px">large ampacity</em><span style="color:rgb(68,68,68);font-size:13px"> AC circuit? UF? USE? USE-2? Other?..</span><br><div><span style="color:rgb(68,68,68);font-size:13px"><br></span></div><div><span style="color:rgb(68,68,68);font-size:13px">--</span></div><div><span style="color:rgb(68,68,68);font-size:13px">Corey Shalanski</span></div><div><span style="color:rgb(68,68,68);font-size:13px">Joule Energy</span></div><div><font color="#444444">New Orleans, LA</font></div><div><span style="color:rgb(68,68,68);font-size:13px"><br></span></div></div></div>
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