Understanding NEC 2017 and 2020 Changes and Applications to PV Systems [Recorded Webinar]
22,820
Published 2020-07-28
Learning Objectives:
• Identify NEC 2017 & 2020 code changes
• Understand new code requirements as they pertain to PV systems
• Apply NEC code to PV projects
Mayfield Renewables: www.mayfield.energy/
Learn more about NEC 2017 and 2020 for solar+storage: www.heatspring.com/courses/nec-2017-2020-solar-sto…
**This webinar was hosted and recorded by Mayfield Renewables in partnership with NABCEP on July 28, 2020.
All Comments (8)
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Jump to 11:00 to skip the introductions.
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Thanks 🙏🏼 this is great! 👍
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At 26:00 mentions generating capacity in the NEC 690 definitions, opened up my NEC 2020 book and it’s not there? Update: It got moved to Article 100 in NEC 2020. Must be used in wind or another section as well.
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I know this is two years old but I've got a question NEC 2017, off grid system no grid tied at all. Totally off grid is a PV disconnect required on the outside of the building or can it be the main breaker? North Carolina residential
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At 53:00 having the disconnect just after the inverter will still have the inverter components energized from the PV power circuit to the inverter? It seems that it can very well be electrically the same. As long as they simultaneously disconnect all conductors that aren’t solidly grounded (this would need to be verified depending on the unit) , rating, location, markings and numbers are good and is indeed electrically the same, it could be fine.
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Anyone have a link to the Sandia calculations for 100kW generating capacity systems?
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Do you need 3 To 1 Y Type MC4 Branch Solar connector if using a combiner box? THANKS, I have 6 panels...