These are great charts. What I’ve always done this to find cross-sectional area of the typical round battery cable ampacity required per the NEC. Then calculate equivalent cross-sectional area of rectangular copper bus and buy that dimension in 6’ lengths to make my own.
Kirk Herander > On May 2, 2019, at 11:16 AM, Drake <[email protected]> > wrote: > > 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; >> boundary="----=_NextPart_000_00A2_01D50032.EF3413B0" >> 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/ >> >> Hope this helps. >> -Glenn >> >> From: RE-wrenches <[email protected]> On Behalf Of >> [email protected] >> Sent: Wednesday, May 01, 2019 8:06 AM >> To: RE-wrenches <[email protected]> >> 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: >> [email protected] "RE-wrenches" < [email protected]> >> >> To: >> "RE-wrenches" < [email protected]> >> 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 < [email protected]> On Behalf Of >> Drake >> Sent: Tuesday, April 30, 2019 12:27 PM >> To: RE-wrenches < [email protected]> >> 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/ >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/[email protected]/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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