Re: [RE-wrenches] Advanced PV Training Recommendations

[Martin Herzfeld]

By the way, I think there was also input to the UL PV Installer
Certification announced here:
http://lms.ulknowledgeservices.com/common/ncsresponse.aspx?rendertext=pvinstaller_pressrelease
On Apr 23, 2013 8:34 AM, "Andrew Truitt"  wrote:

>
> Eric - Check out IREC's Solar Instructor Training Network 
> (SITN).
> They also have an associated free on-line companion course geared towards
> code officials called the Photovoltaic Online Training Course 
> (PVOT).
> The PVOT course was developed by IREC with input from Brooks Engineering.
>
>
> For a brighter energy future,
>
>
> Andrew Truitt
> NABCEP Certified PV Installation Professional™ (ID# 032407-66)
>
> Principal
> Truitt Renewable Energy Consulting, LLC
>
> (202) 486-7507
>
> LinkedIn Profile 
>
> Company Website 
>  <%28202%29%20486-7507>
>
>
>
>
> "Don't get me wrong: I love nuclear energy! It's just that I prefer fusion
> to fission. And it just so happens that there's an enormous fusion reactor
> safely banked a few million miles from us. It delivers more than we could
> ever use in just about 8 minutes. And it's wireless!"
>
> ~William McDonough
>
>
>
>
>
>
>
> On Mon, Apr 22, 2013 at 3:10 PM, Martin Herzfeld 
> wrote:
>
>> "But, as you all know, there are always more details to master, code
>> issues to be clarified, and new technologies coming down the pike."
>>
>> 1. Specifically, not only practical safeguarding code issues, but also
>> the I codes and standards, - CEC, CBC, ... there are courses with the ICC
>> 2013 TriChapter IAEI Events which included advanced fire-stopping,
>> PV plan-check and permitting workshops and updates, CalGreen code,Energy
>> ...
>>
>> 2. There are other options with certification - or 'feathers' in the ANSI
>> Z89 hardhat.  In California, you are required to have a contractors license
>> in accordance to B&P code - if not this happens -
>>
>> 3. In other words, the license is the hat and certification is the
>> 'feather.' The license itself is also certification.
>>
>> 4. With an OSHA 30 certificate, I'd suggest also adding some new feathers
>> for OSHA safety health and environmental specifically applicable to our
>> trade: http://osha4you.com/courses/osha-courses-by-industry  "Hands-on
>> and hands-off" construction courses at Sacramento at the safety center. The
>> trainers have more than 25+ years of experience.
>>
>> 5. There's also the UL PV Installer Certification with the International
>> Brotherhood of Electrical Workers (IBEW),  offering UL's Photovoltaic (PV)
>> Installer Certification to IBEW members and the National Electrical
>> Contractors Association (NECA) - may be difficult to qualify and complete -
>> I think there are now more than 30 +
>>
>> 6. Some differences in the certification models as discussed here:
>> http://nti.njatc.org/Portals/3/C%20Group/2012%20NTI%20UL%20PV%20Certification.pdf
>>
>> 7. By the way, if you are looking for an Advanced Photovoltaics Course in
>> Sacramento 3 days for free ~$0.00? I'd suggest consider
>> https://usage.smud.org/etcstudent/ClassDescription.aspx?Id=814 this year
>> with Bill Brooks of Brooks Engineering?
>>
>> 8. I agree - there's more to a license and certification than submitting
>> a writing sample.
>>
>> >
>> The MREA (Midwest renewable energy association) offers classes, some
>> on-line now. Really good Instructors.
>>
>> www.midwestrenew.org
>>
>> Jesse
>>
>> Sent from my iPhone
>>
>> On Apr 12, 2013, at 8:03 PM, jay peltz  wrote:
>>
>> > HI Eric,
>> >
>> > I'm going to advise you to look at SEI
>> > Solar energy international.
>> >
>> > http://www.solarenergy.org/
>> >
>> > Full disclosure, I teach part time from them.
>> >
>> > Cheers,
>> >
>> > jay
>> >
>> > peltz power
>> >
>> > On Apr 12, 2013, at 12:46 PM, SunHarvest wrote:
>> >
>> >> Wrenchers -
>> >>
>> >> I am in need of hands-on advanced training for my own continuing
>> education. I have a California C46 solar contractor's license and plenty of
>> experience designing and installing systems. But, as you all know,
>> there are always more details to master, code issues to be clarified, and
>> new technologies coming down the pike. I'd like to focus on off-grid and
>> on-grid w/BB systems over straight grid-tie.
>> >>
>> >> I'm looking at Solar Living Institute as that's here in NorCal, where
>> I live.
>> >>
>> >> Are there any training schools/programs that you guys would recommend?
>> >>
>> >> My main requirements are that the instructor has 20+ years of hands-on
>> experience and that the training is hands-on and fully comprehensive. I am
>> interested in getting NABCEP certified but I'm more concerned with getting
>> professional, in-depth training than with qualifying for NABCEP exam
>> requirements.
>> >>
>> >> Thanks!
>> >>
>> >> Eric
>> >> SunHarvest
>> >>
>> >>
>> >> - Original Message -

Re: [RE-wrenches] Advanced PV Training Recommendations

[Andrew Truitt]

Eric - Check out IREC's Solar Instructor Training Network
(SITN).
They also have an associated free on-line companion course geared towards
code officials called the Photovoltaic Online Training Course
(PVOT).
The PVOT course was developed by IREC with input from Brooks Engineering.


For a brighter energy future,


Andrew Truitt
NABCEP Certified PV Installation Professional™ (ID# 032407-66)

Principal
Truitt Renewable Energy Consulting, LLC

(202) 486-7507

LinkedIn Profile 

Company Website 
 <%28202%29%20486-7507>




"Don't get me wrong: I love nuclear energy! It's just that I prefer fusion
to fission. And it just so happens that there's an enormous fusion reactor
safely banked a few million miles from us. It delivers more than we could
ever use in just about 8 minutes. And it's wireless!"

~William McDonough







On Mon, Apr 22, 2013 at 3:10 PM, Martin Herzfeld wrote:

> "But, as you all know, there are always more details to master, code
> issues to be clarified, and new technologies coming down the pike."
>
> 1. Specifically, not only practical safeguarding code issues, but also the
> I codes and standards, - CEC, CBC, ... there are courses with the ICC 2013
> TriChapter IAEI Events which included advanced fire-stopping,
> PV plan-check and permitting workshops and updates, CalGreen code,Energy
> ...
>
> 2. There are other options with certification - or 'feathers' in the ANSI
> Z89 hardhat.  In California, you are required to have a contractors license
> in accordance to B&P code - if not this happens -
>
> 3. In other words, the license is the hat and certification is the
> 'feather.' The license itself is also certification.
>
> 4. With an OSHA 30 certificate, I'd suggest also adding some new feathers
> for OSHA safety health and environmental specifically applicable to our
> trade: http://osha4you.com/courses/osha-courses-by-industry  "Hands-on
> and hands-off" construction courses at Sacramento at the safety center. The
> trainers have more than 25+ years of experience.
>
> 5. There's also the UL PV Installer Certification with the International
> Brotherhood of Electrical Workers (IBEW),  offering UL's Photovoltaic (PV)
> Installer Certification to IBEW members and the National Electrical
> Contractors Association (NECA) - may be difficult to qualify and complete -
> I think there are now more than 30 +
>
> 6. Some differences in the certification models as discussed here:
> http://nti.njatc.org/Portals/3/C%20Group/2012%20NTI%20UL%20PV%20Certification.pdf
>
> 7. By the way, if you are looking for an Advanced Photovoltaics Course in
> Sacramento 3 days for free ~$0.00? I'd suggest consider
> https://usage.smud.org/etcstudent/ClassDescription.aspx?Id=814 this year
> with Bill Brooks of Brooks Engineering?
>
> 8. I agree - there's more to a license and certification than submitting
> a writing sample.
>
> >
> The MREA (Midwest renewable energy association) offers classes, some
> on-line now. Really good Instructors.
>
> www.midwestrenew.org
>
> Jesse
>
> Sent from my iPhone
>
> On Apr 12, 2013, at 8:03 PM, jay peltz  wrote:
>
> > HI Eric,
> >
> > I'm going to advise you to look at SEI
> > Solar energy international.
> >
> > http://www.solarenergy.org/
> >
> > Full disclosure, I teach part time from them.
> >
> > Cheers,
> >
> > jay
> >
> > peltz power
> >
> > On Apr 12, 2013, at 12:46 PM, SunHarvest wrote:
> >
> >> Wrenchers -
> >>
> >> I am in need of hands-on advanced training for my own continuing
> education. I have a California C46 solar contractor's license and plenty of
> experience designing and installing systems. But, as you all know,
> there are always more details to master, code issues to be clarified, and
> new technologies coming down the pike. I'd like to focus on off-grid and
> on-grid w/BB systems over straight grid-tie.
> >>
> >> I'm looking at Solar Living Institute as that's here in NorCal, where I
> live.
> >>
> >> Are there any training schools/programs that you guys would recommend?
> >>
> >> My main requirements are that the instructor has 20+ years of hands-on
> experience and that the training is hands-on and fully comprehensive. I am
> interested in getting NABCEP certified but I'm more concerned with getting
> professional, in-depth training than with qualifying for NABCEP exam
> requirements.
> >>
> >> Thanks!
> >>
> >> Eric
> >> SunHarvest
> >>
> >>
> >> - Original Message -
> >>>
> >>> From: John Berdner
> >>> To: RE-wrenches
> >>> Sent: Thursday, April 04, 2013 11:44 AM
> >>> Subject: Re: [RE-wrenches] Combining conductors
> >>>
> >>> Larry:
> >>>
> >>> Yes, you can parallel conductors (there is an NEC limit on minimum
> size allowed to parallel).
> >>> You just add the ampacity of the two conductors.
> >>> To convince yourself you can also check Table 8 Conductor Prope

Re: [RE-wrenches] Advanced PV Training Recommendations

[Martin Herzfeld]

"But, as you all know, there are always more details to master, code issues
to be clarified, and new technologies coming down the pike."

1. Specifically, not only practical safeguarding code issues, but also the
I codes and standards, - CEC, CBC, ... there are courses with the ICC 2013
TriChapter IAEI Events which included advanced fire-stopping,
PV plan-check and permitting workshops and updates, CalGreen code,Energy
...

2. There are other options with certification - or 'feathers' in the ANSI
Z89 hardhat.  In California, you are required to have a contractors license
in accordance to B&P code - if not this happens -

3. In other words, the license is the hat and certification is the
'feather.' The license itself is also certification.

4. With an OSHA 30 certificate, I'd suggest also adding some new feathers
for OSHA safety health and environmental specifically applicable to our
trade: http://osha4you.com/courses/osha-courses-by-industry  "Hands-on and
hands-off" construction courses at Sacramento at the safety center. The
trainers have more than 25+ years of experience.

5. There's also the UL PV Installer Certification with the International
Brotherhood of Electrical Workers (IBEW),  offering UL's Photovoltaic (PV)
Installer Certification to IBEW members and the National Electrical
Contractors Association (NECA) - may be difficult to qualify and complete -
I think there are now more than 30 +

6. Some differences in the certification models as discussed here:
http://nti.njatc.org/Portals/3/C%20Group/2012%20NTI%20UL%20PV%20Certification.pdf

7. By the way, if you are looking for an Advanced Photovoltaics Course in
Sacramento 3 days for free ~$0.00? I'd suggest consider
https://usage.smud.org/etcstudent/ClassDescription.aspx?Id=814 this year
with Bill Brooks of Brooks Engineering?

8. I agree - there's more to a license and certification than submitting
a writing sample.

>
The MREA (Midwest renewable energy association) offers classes, some
on-line now. Really good Instructors.

www.midwestrenew.org

Jesse

Sent from my iPhone

On Apr 12, 2013, at 8:03 PM, jay peltz  wrote:

> HI Eric,
>
> I'm going to advise you to look at SEI
> Solar energy international.
>
> http://www.solarenergy.org/
>
> Full disclosure, I teach part time from them.
>
> Cheers,
>
> jay
>
> peltz power
>
> On Apr 12, 2013, at 12:46 PM, SunHarvest wrote:
>
>> Wrenchers -
>>
>> I am in need of hands-on advanced training for my own continuing
education. I have a California C46 solar contractor's license and plenty of
experience designing and installing systems. But, as you all know,
there are always more details to master, code issues to be clarified, and
new technologies coming down the pike. I'd like to focus on off-grid and
on-grid w/BB systems over straight grid-tie.
>>
>> I'm looking at Solar Living Institute as that's here in NorCal, where I
live.
>>
>> Are there any training schools/programs that you guys would recommend?
>>
>> My main requirements are that the instructor has 20+ years of hands-on
experience and that the training is hands-on and fully comprehensive. I am
interested in getting NABCEP certified but I'm more concerned with getting
professional, in-depth training than with qualifying for NABCEP exam
requirements.
>>
>> Thanks!
>>
>> Eric
>> SunHarvest
>>
>>
>> - Original Message -
>>>
>>> From: John Berdner
>>> To: RE-wrenches
>>> Sent: Thursday, April 04, 2013 11:44 AM
>>> Subject: Re: [RE-wrenches] Combining conductors
>>>
>>> Larry:
>>>
>>> Yes, you can parallel conductors (there is an NEC limit on minimum size
allowed to parallel).
>>> You just add the ampacity of the two conductors.
>>> To convince yourself you can also check Table 8 Conductor Properties
and sum the cross sectional areas of all the parallel conductors to see the
equivalency to a single larger conductor.
>>>
>>> Best Regards,
>>>
>>> John Berdner
>>> General Manager, North America
>>>
>>> SolarEdge Technologies, Inc.
>>> 3347 Gateway Boulevard, Fremont CA 94538 USA  (*Please note of our new
address.)
>>> T: 510.498.3200, X 747
>>> M: 530.277.4894
>>>
>>> From: re-wrenches-boun...@lists.re-wrenches.org [mailto:
re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Larry Crutcher,
Starlight Solar Power Systems
>>> Sent: Thursday, April 04, 2013 9:51 AM
>>> To: RE-wrenches
>>> Subject: [RE-wrenches] Combining conductors
>>>
>>> Wrenches,
>>>
>>> Here's a tough one for me to understand. I am installing 2 volt AGM
batteries. There are two terminals for each battery polarity. I have some
height limits so I need to use the minimum wire size. Here's my question:
If I combine two identical conductors, what is the equivalent single
conductor size?
>>>
>>> I found one "rule of thumb" that says doubling like conductors creates
a AWG decrease of 3. Example: two #2 will be equivalent to 2/0. Is this
true?
>>>
>>> Thank you,
>>>
>>> Larry Crutcher
>>> Starlight Solar Power Systems
>>>
>>>
>>>
>>>
>>>
>>>
>>> CONFIDENTIALITY NOTICE: This e-mail and 

Re: [RE-wrenches] Advanced PV Training Recommendations

[Jesse Dahl]

The MREA (Midwest renewable energy association) offers classes, some on-line 
now. Really good Instructors. 

www.midwestrenew.org

Jesse

Sent from my iPhone

On Apr 12, 2013, at 8:03 PM, jay peltz  wrote:

> HI Eric,
> 
> I'm going to advise you to look at SEI
> Solar energy international.
> 
> http://www.solarenergy.org/
> 
> Full disclosure, I teach part time from them.
> 
> Cheers,
> 
> jay
> 
> peltz power
> 
> On Apr 12, 2013, at 12:46 PM, SunHarvest wrote:
> 
>> Wrenchers -
>>  
>> I am in need of hands-on advanced training for my own continuing education. 
>> I have a California C46 solar contractor's license and plenty of experience 
>> designing and installing systems. But, as you all know, there are always 
>> more details to master, code issues to be clarified, and new technologies 
>> coming down the pike. I'd like to focus on off-grid and on-grid w/BB systems 
>> over straight grid-tie.
>>  
>> I'm looking at Solar Living Institute as that's here in NorCal, where I live.
>>  
>> Are there any training schools/programs that you guys would recommend?
>>  
>> My main requirements are that the instructor has 20+ years of hands-on 
>> experience and that the training is hands-on and fully comprehensive. I am 
>> interested in getting NABCEP certified but I'm more concerned with getting 
>> professional, in-depth training than with qualifying for NABCEP exam 
>> requirements.
>>  
>> Thanks!
>>  
>> Eric
>> SunHarvest
>>  
>>  
>> - Original Message -
>> From: John Berdner
>> To: RE-wrenches
>> Sent: Thursday, April 04, 2013 11:44 AM
>> Subject: Re: [RE-wrenches] Combining conductors
>> 
>> Larry:
>>  
>> Yes, you can parallel conductors (there is an NEC limit on minimum size 
>> allowed to parallel).
>> You just add the ampacity of the two conductors.
>> To convince yourself you can also check Table 8 Conductor Properties and sum 
>> the cross sectional areas of all the parallel conductors to see the 
>> equivalency to a single larger conductor.
>>  
>> Best Regards,
>>  
>> John Berdner
>> General Manager, North America
>>  
>> SolarEdge Technologies, Inc.
>> 3347 Gateway Boulevard, Fremont CA 94538 USA  (*Please note of our new 
>> address.)
>> T: 510.498.3200, X 747
>> M: 530.277.4894
>>  
>> From: re-wrenches-boun...@lists.re-wrenches.org 
>> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Larry 
>> Crutcher, Starlight Solar Power Systems
>> Sent: Thursday, April 04, 2013 9:51 AM
>> To: RE-wrenches
>> Subject: [RE-wrenches] Combining conductors
>>  
>> Wrenches,
>>  
>> Here's a tough one for me to understand. I am installing 2 volt AGM 
>> batteries. There are two terminals for each battery polarity. I have some 
>> height limits so I need to use the minimum wire size. Here's my question: If 
>> I combine two identical conductors, what is the equivalent single conductor 
>> size? 
>>  
>> I found one "rule of thumb" that says doubling like conductors creates a AWG 
>> decrease of 3. Example: two #2 will be equivalent to 2/0. Is this true?
>> 
>> Thank you,
>> 
>> Larry Crutcher
>> Starlight Solar Power Systems
>>  
>>  
>> 
>> 
>> 
>>  
>> CONFIDENTIALITY NOTICE: This e-mail and its attachments are intended only 
>> for the use of the individual or entity who is the intended recipient and 
>> may contain information that is privileged, confidential and exempt from 
>> disclosure or any type of use under applicable law. If the reader of this 
>> e-mail is not the intended recipient, or the employee, agent, or 
>> representative responsible for delivering the e-mail to the intended 
>> recipient, you are hereby notified that any dissemination, distribution, 
>> copying, or other use of this e-mail is strictly prohibited. If you have 
>> received this e-mail in error, please reply immediately to the sender. 
>> P  Please think of the environment before printing this email
>> 
>> 
>> ___
>> List sponsored by Home Power magazine
>> 
>> List Address: RE-wrenches@lists.re-wrenches.org
>> 
>> Change email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>> 
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>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>> 
>> List rules & etiquette:
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>> 
>> Check out participant bios:
>> www.members.re-wrenches.org
>> 
>> ___
>> List sponsored by Home Power magazine
>> 
>> List Address: RE-wrenches@lists.re-wrenches.org
>> 
>> Change email address & settings:
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> 
> ___
> List sponsored by Home Power magazine
> 
> List Address: RE-wrenches@lists.re-wrenc

Re: [RE-wrenches] Advanced PV Training Recommendations

[jay peltz]

HI Eric,

I'm going to advise you to look at SEI
Solar energy international.

http://www.solarenergy.org/

Full disclosure, I teach part time from them.

Cheers,

jay

peltz power

On Apr 12, 2013, at 12:46 PM, SunHarvest wrote:

> Wrenchers -
>  
> I am in need of hands-on advanced training for my own continuing education. I 
> have a California C46 solar contractor's license and plenty of experience 
> designing and installing systems. But, as you all know, there are always more 
> details to master, code issues to be clarified, and new technologies coming 
> down the pike. I'd like to focus on off-grid and on-grid w/BB systems over 
> straight grid-tie.
>  
> I'm looking at Solar Living Institute as that's here in NorCal, where I live.
>  
> Are there any training schools/programs that you guys would recommend?
>  
> My main requirements are that the instructor has 20+ years of hands-on 
> experience and that the training is hands-on and fully comprehensive. I am 
> interested in getting NABCEP certified but I'm more concerned with getting 
> professional, in-depth training than with qualifying for NABCEP exam 
> requirements.
>  
> Thanks!
>  
> Eric
> SunHarvest
>  
>  
> - Original Message -
> From: John Berdner
> To: RE-wrenches
> Sent: Thursday, April 04, 2013 11:44 AM
> Subject: Re: [RE-wrenches] Combining conductors
> 
> Larry:
>  
> Yes, you can parallel conductors (there is an NEC limit on minimum size 
> allowed to parallel).
> You just add the ampacity of the two conductors.
> To convince yourself you can also check Table 8 Conductor Properties and sum 
> the cross sectional areas of all the parallel conductors to see the 
> equivalency to a single larger conductor.
>  
> Best Regards,
>  
> John Berdner
> General Manager, North America
>  
> SolarEdge Technologies, Inc.
> 3347 Gateway Boulevard, Fremont CA 94538 USA  (*Please note of our new 
> address.)
> T: 510.498.3200, X 747
> M: 530.277.4894
>  
> From: re-wrenches-boun...@lists.re-wrenches.org 
> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Larry 
> Crutcher, Starlight Solar Power Systems
> Sent: Thursday, April 04, 2013 9:51 AM
> To: RE-wrenches
> Subject: [RE-wrenches] Combining conductors
>  
> Wrenches,
>  
> Here's a tough one for me to understand. I am installing 2 volt AGM 
> batteries. There are two terminals for each battery polarity. I have some 
> height limits so I need to use the minimum wire size. Here's my question: If 
> I combine two identical conductors, what is the equivalent single conductor 
> size? 
>  
> I found one "rule of thumb" that says doubling like conductors creates a AWG 
> decrease of 3. Example: two #2 will be equivalent to 2/0. Is this true?
> 
> Thank you,
> 
> Larry Crutcher
> Starlight Solar Power Systems
>  
>  
> 
> 
> 
>  
> CONFIDENTIALITY NOTICE: This e-mail and its attachments are intended only for 
> the use of the individual or entity who is the intended recipient and may 
> contain information that is privileged, confidential and exempt from 
> disclosure or any type of use under applicable law. If the reader of this 
> e-mail is not the intended recipient, or the employee, agent, or 
> representative responsible for delivering the e-mail to the intended 
> recipient, you are hereby notified that any dissemination, distribution, 
> copying, or other use of this e-mail is strictly prohibited. If you have 
> received this e-mail in error, please reply immediately to the sender. 
> P  Please think of the environment before printing this email
> 
> 
> ___
> List sponsored by Home Power magazine
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> List-Archive: 
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
> 
> Check out participant bios:
> www.members.re-wrenches.org
> 
> ___
> List sponsored by Home Power magazine
> 
> List Address: RE-wrenches@lists.re-wrenches.org
> 
> Change email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> List-Archive: 
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
> 
> Check out participant bios:
> www.members.re-wrenches.org
> 

___
List sponsored by Home Power magazine

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Re: [RE-wrenches] Advanced PV Training Recommendations

[August Goers]

Eric,



NABCEP just had an annual continuing education conference in Sacramento
with three days of various hands on classes including a good deal focusing
on battery backup systems. It was initially only open to NABCEP certified
folks but registration was eventually opened up to others. You might want
to consider attending next year if they have it again. I certainly got a
lot out of it.



I also like SMA's Sunny Island classes up in Rocklin CA but I don't know
that the instructors necessarily have 20+ years of hands on experience.
You'd have to check on that.





Best,



August



*From:* re-wrenches-boun...@lists.re-wrenches.org [mailto:
re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *SunHarvest
*Sent:* Friday, April 12, 2013 12:47 PM
*To:* RE-wrenches
*Subject:* [RE-wrenches] Advanced PV Training Recommendations



Wrenchers -



I am in need of hands-on advanced training for my own continuing education.
I have a California C46 solar contractor's license and plenty of experience
designing and installing systems. But, as you all know, there are always
more details to master, code issues to be clarified, and new technologies
coming down the pike. I'd like to focus on off-grid and on-grid w/BB
systems over straight grid-tie.



I'm looking at Solar Living Institute as that's here in NorCal, where I
live.



Are there any training schools/programs that you guys would recommend?



My main requirements are that the instructor has 20+ years of hands-on
experience and that the training is hands-on and fully comprehensive. I am
interested in getting NABCEP certified but I'm more concerned with getting
professional, in-depth training than with qualifying for NABCEP exam
requirements.



Thanks!



Eric

SunHarvest





- Original Message -

*From:* John Berdner 

*To:* RE-wrenches 

*Sent:* Thursday, April 04, 2013 11:44 AM

*Subject:* Re: [RE-wrenches] Combining conductors



Larry:



Yes, you can parallel conductors (there is an NEC limit on minimum size
allowed to parallel).

You just add the ampacity of the two conductors.

To convince yourself you can also check Table 8 Conductor Properties and
sum the cross sectional areas of all the parallel conductors to see the
equivalency to a single larger conductor.



Best Regards,



John Berdner

General Manager, North America



SolarEdge Technologies, Inc.

3347 Gateway Boulevard, Fremont CA 94538 USA  *(*Please note of our new
address.)*
T: 510.498.3200, X 747

M: 530.277.4894



*From:* re-wrenches-boun...@lists.re-wrenches.org [
mailto:re-wrenches-boun...@lists.re-wrenches.org]
*On Behalf Of *Larry Crutcher, Starlight Solar Power Systems
*Sent:* Thursday, April 04, 2013 9:51 AM
*To:* RE-wrenches
*Subject:* [RE-wrenches] Combining conductors



Wrenches,



Here's a tough one for me to understand. I am installing 2 volt AGM
batteries. There are two terminals for each battery polarity. I have some
height limits so I need to use the minimum wire size. Here's my question:
If I combine two identical conductors, what is the equivalent single
conductor size?



I found one "rule of thumb" that says doubling like conductors creates a
AWG decrease of 3. Example: two #2 will be equivalent to 2/0. Is this true?


Thank you,


Larry Crutcher

Starlight Solar Power Systems









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