Sean's HeatSpring PV Blog

HeatSpring PV Course Blog

Apr 8, 2016
1 min

8-days pre-exam strategy

From HeatSpring.com NABCEP PV Technical Sales Exam Prep Study Group 8-days until the exam! My advice is now is the time to study a lot....

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Apr 8, 2016
1 min

Death by Falling-Be Safe!

From HeatSpring.com PV Boot Camp Discussion Board Q: My daughter had a friend who was a steel worker, fearless, could walk backwards on...

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Apr 8, 2016
1 min

Message for those of you here preparing to take the NABCEP PV Installation Professional Certificatio

From HeatSpring Advanced PV Course Discussion Board Message for those of you here preparing to take the NABCEP PV Installation...

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Apr 8, 2016
3 min

PV Inter-Row Spacing Methods

From HeatSpring.com NABCEP PV Technical Sales Exam Prep Study Group Q: Thanks Sean. Do you know which formula they would expect us to...

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Apr 8, 2016
1 min

Wiring Colors

From HeatSpring.com PV Boot Camp Discussion Board Q: (comment) The black (A phase)/red (B phase)/blue (C Phase)/white (Grounded/Neutral)...

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Apr 8, 2016
3 min

MPPTs Stacked Series and Parallel with Shading

From HeatSpring Advanced PV Course Discussion Board Q: You said, "if the entire string is shaded with MPPT, then the PV source circuit...

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Apr 7, 2016
2 min

Converting kWh to pounds of CO2

From HeatSpring.com NABCEP PV Technical Sales Exam Prep Study Group Q: Looking at the joint task analysis for non-financial benefit...

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Apr 7, 2016
2 min

Why we use cell temperature instead of ambient temperature when calculating the short PV string size

NABCEP PV Installation Professional Exam Prep Course Discussion Board from HeatSpring Course Q: Sean, On Question 51 can you explain why...

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Apr 7, 2016
1 min

9 days until the NABCEP Exam Date! Advice

NABCEP PV Installation Professional Exam Prep Course Discussion Board from HeatSpring Course 9 days until exam date!! Now is the time to...

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Apr 6, 2016
1 min

PV Testing Equipment Recommendations

From HeatSpring.com PV Boot Camp Discussion Board Q: Sean, We are currently needing to purchase a solar tester per customers request. do...

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Apr 6, 2016
1 min

John Wiles Solar Links

From HeatSpring.com PV Boot Camp Discussion Board Q: Dear Sean, In assignment 2/36 Can't find the website you featured: (and RECOMMENDED...

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Apr 5, 2016
1 min

Thanks for the great Evaluations!

From HeatSpring.com PV Boot Camp Discussion Board Submitted: 04/06/2016 Training: Solar PV Installer Boot Camp Training + NABCEP Entry...

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Apr 4, 2016
2 min

STC Voltage Higher than PTC, CEC and NOCT because ambient vs. cell temperature

From HeatSpring.com PV Boot Camp Discussion Board Q: Hi Sean, I have just taken the test and question 25 seems to be off. Perhaps I...

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Apr 4, 2016
2 min

Why don't we all use the same version of the NEC?

From HeatSpring.com PV Boot Camp Discussion Board Q: in reply to the question of NEC 90.4,and the Montanna adoption of the NEC code,NEC...

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Apr 4, 2016
1 min

Solar in Germany, the FIT, Hermann Scheer and his Solar Revolution

From HeatSpring.com PV Boot Camp Discussion Board Q: I'm currently traveling in Germany and am amazed at how much solar is in use here....

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Apr 4, 2016
2 min

When to clean PV

From HeatSpring.com PV Boot Camp Discussion Board Q: To keep modules operating at their peak efficiency, is there a recommended cleaning...

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Apr 4, 2016
1 min

Monocrystalline vs. Polycrystalline Solar, which is better?

From HeatSpring.com PV Boot Camp Discussion Board Q: For the average consumer is there any advantage to installing a Mono versus a Poly...

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Apr 4, 2016
2 min

Derating factors, accuracy and precision

From HeatSpring.com PV Boot Camp Discussion Board Q: Hi Sean, This question follows a previous one on comparing the output in a...

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Apr 3, 2016
2 min

690.8(B) Breaker Sizing

NABCEP PV Installation Professional Exam Prep Course Discussion Board from HeatSpring Course Q: Hello regarding question 6 explanation. I...

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Apr 3, 2016
2 min

PV Permitting and Finding Out What the AHJ Wants

From HeatSpring.com PV Boot Camp Discussion Board Q: Thanks for this answer. I have a follow-up about AHJ's in Massachusetts. It seems to...

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