[RE-wrenches] Bus bar battery jumpers

Drake drake.chamberlin at redwoodalliance.org
Thu May 2 11:16:05 EDT 2019


What great information from you guys! Anyone who 
saves these tables should be able to design bus bars with confidence.

Thank you,

Drake


At 03:31 PM 5/1/2019, you wrote:
>Content-Type: multipart/alternative;
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>Content-Language: en-us
>
>Drake,
>I found the information available online at the 
>Copper Development Association website to be valuable for DC applications:
>
><https://www.copper.org/applications/electrical/busbar/>https://www.copper.org/applications/electrical/busbar/
>
>Hope this helps.
>-Glenn
>
>From: RE-wrenches 
><re-wrenches-bounces at lists.re-wrenches.org> On 
>Behalf Of drake.chamberlin at redwoodalliance.org
>Sent: Wednesday, May 01, 2019 8:06 AM
>To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
>Subject: Re: [RE-wrenches] Bus bar battery jumpers
>
>Glenn,
>
>Thank you for that good information.
>
>Where do you find the specifications relating 
>cross sectional area to amperage? Section 366.23 
>of the NEC allows 1000 A / sq. in. of cross 
>sectional area of the conductor. Is that a good 
>rule of thumb, or is there something more specific to battery busing?
>
>Drake
>
>
>----- Original Message -----
>From:
><mailto:glenn.burt at glbcc.com>glenn.burt at glbcc.com 
>"RE-wrenches" 
><<mailto:re-wrenches at lists.re-wrenches.org>re-wrenches at lists.re-wrenches.org>
>
>To:
>"RE-wrenches" 
><<mailto:re-wrenches at lists.re-wrenches.org>re-wrenches at lists.re-wrenches.org>
>Cc:
>
>Sent:
>Tue, 30 Apr 2019 20:31:39 -0400
>Subject:
>Re: [RE-wrenches] Bus bar battery jumpers
>
>I have always bought the appropriately sized for 
>the anticipated current, copper bar stock from 
>McMaster Carr and cut, drilled and applied heat shrink myself

>
>
>-Glenn
>
>
>From: RE-wrenches 
><<mailto:re-wrenches-bounces at lists.re-wrenches.org>re-wrenches-bounces at lists.re-wrenches.org> 
>On Behalf Of Drake
>Sent: Tuesday, April 30, 2019 12:27 PM
>To: RE-wrenches 
><<mailto:re-wrenches at lists.re-wrenches.org>re-wrenches at lists.re-wrenches.org>
>Subject: [RE-wrenches] Bus bar battery jumpers
>
>
>Hello Wrenches,
>
>I am wiring a set of 2 V Concorde batteries for 
>48 V. Each battery has 2 terminals which will be 
>about 2 1/2 inches away from the terminals they 
>will be wired to. Standard battery jumpers would 
>be ridiculous in this situation. Busbars would 
>be clean and efficient. Concorde doesn't have a solution.
>
>Does anyone know of a source for busbars?
>
>Thank you,
>
>Drake
>
>Drake Chamberlin
>Athens Electric LLC
>OH License 44810
>CO License 3773
>NABCEP Certified Solar PV
>740-448-7328
><http://athens-electric.com/>http://athens-electric.com/
>
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