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Mar 12, 20162 min read
PV efficiency
From HeatSpring.com Entry Level PV Discussion Forum Q: Understanding the development of the PV module, the size, configuration and...
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Mar 11, 20164 min read
Voltage, Current, Magnetic Declination, Power Factor, Tilt Angles and Busbars
From HeatSpring.com NABCEP PV Technical Sales Exam Prep Study Group Q: I have just finished Ch:1-6 of you book. It was very clear,...
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Mar 11, 20161 min read
Compounding Interest
From HeatSpring NABCEP PV Technical Sales Study Group Q: Compounding Interest: I thought this was a simple formula(s) to memorize. Just...
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Mar 11, 20161 min read
Great Review Make My Day!!
Review of 40 hour Adv PV Course on HeatSpring.com Submitted: 03/11/2016 Training: 40-Hour Advanced Solar PV Installer Training / Online /...
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Mar 10, 20161 min read
Crimping MC4 Connectors without the tool
From Advanced PV HeatSpring.com Discussion Forum Q: Hey Sean, This might not be specific to wire sizing (kind of is) but do you have a...
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Mar 10, 20162 min read
The 10-foot Tap Rule, 240.21(B)(1) is as solid as a flimsy 2014 NEC Code Book
From HeatSpring.com Adv. PV Discussion Board Q: Hey Sean, With the 10 foot tap rule, do you know where that came from? Do you see a lot...
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Mar 9, 20161 min read
Bonding Neutral to Ground
From HeatSpring Advanced PV Course Discussion Board Q: Hi Doc, assignment 23/36 you explain bonding of neutral to a sub panel, question:...
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Mar 7, 20161 min read
Great Reviews Make My Day!
Got a great review today for the HeatSpring Adv PV Course!! Training: 40-Hour Advanced Solar PV Installer Training / Online / Anytime How...
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Mar 7, 20161 min read
Another Great Review Today!!
Great Review from the PV Bootcamp Today!! Submitted: 03/07/2016 Training: Solar PV Installer Boot Camp Training + NABCEP Entry Level Exam...
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Mar 7, 20162 min read
Latitude Plus 15 for Winter PV Production
From HeatSpring PV Boot Camp Discussion Forum Q: Question about correct winter tilt, which is latitude +15°. Let’s say April for my...
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Mar 6, 20161 min read
Ac coupled system inside the Grand Canyon
Conversation from HeatSpring.com Advanced PV Course Discussion Forum Q: I am looking forward to learning from professionals in the PV...
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Mar 6, 20161 min read
Acceptable voltage drop for short distances close to zero percent
Conversation from HeatSpring.com NABCEP Entry Level Course Q: Good explanations of all the details per wire sizing. The altE store and...
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Mar 5, 20163 min read
Roof Slope Calculation, 120% Rule breaker Sizing & Calculator on “smart” Phone
From HeatSpring Advanced PV Course Discussion Board HeatSpring.com Q: hi Doc ,really enjoying your humor and the way your talking points...
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Mar 5, 20162 min read
Making your numbers behave for Battery Bank Sizing
From HeatSpring PV Boot Camp and NABCEP Entry Level Exam Course Q: I am paying attention to the important stuff, but also like your great...
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Mar 5, 20165 min read
PV Currents 690.8(A)(1) and 690.8(B)(1)
HeatSpring.com Advanced PV Course Q and A Q: Sean, I think 690.8 is a little confusing because I usually think of the "Conditions of use"...
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Mar 5, 20162 min read
Feeder PV Connections 705.12(D)(2)(1)(b)
From HeatSpring Advanced PV Online Course Discussion Board HeatSpring.com Q: For the 705.12(D)(2)(1)(b) solution where the AHJ insists...
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Mar 5, 20161 min read
New anti-island requirements (joking around)
HeatSpring.com Entry Level Exam Course Q: Sean, you are the first person to make these presentations enjoyable. Informative and...
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