[RE-wrenches] Advanced PV Training Solar Living Institute - class needs students

Wed Apr 17 11:46:35 PDT 2013

On the off-chance that anyone out there is interested in an advanced off-grid training class on the 25th & 26th of this month for about $400 in Hopland, CA...

The advanced off-grid course (PV 290) needs more participants lest it should be postponed until October. Just thought I'd post because I was planning to take this course...

Eric
SunHarvest

----- Original Message ----- 
  From: Jesse Dahl 
  To: RE-wrenches 
  Sent: Friday, April 12, 2013 7:49 PM
  Subject: Re: [RE-wrenches] Advanced PV Training Recommendations

  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 <jay at asis.com> 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-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at 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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