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| String # sizing...is more always better? http://solar-guppy.com/forum/viewtopic.php?f=3&t=589 |
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| Author: | jbsolar [ Fri Nov 09, 2007 12:07 am GMT EthGMT ] |
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A quick check of the NEC reveals the following: #10 RHW-2 OR USE-2 (without the outer covering): 3/4" EMT or PVC Sch 40 = 6 conductors 1" EMT or PVC Sch 40 = 10 conductors #10 THHN: 3/4" EMT = 10 1" EMT = 16 3/4" PVC Sch 40 = 9 1" PVC Sch 40 = 15 You should also have a ground wire (#10) in the conduit. If THHN is used, it must be terminated in an enclosure. |
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| Author: | jza80 [ Mon Nov 12, 2007 4:34 pm GMT EthGMT ] |
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well after my making a fairly big stink about it, my installer agreed to pull an additional home run so that I will not need to combine strings on a single 10AWG circuit. Thanks for all the feedback from everyone on this...hearing the strong opinions from this community was a big part of why I decided to push hard to have it redone correctly. |
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