Inverter - battery cables supplier





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  1. #1
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    Default Inverter - battery cables supplier

    Hi,

    I need two 35mm2 inverter battery cables made up - one red and one black.
    Fairly short - each one about 3m in length.
    Ideally also able to fit/crimp appropriate lugs to one end of each of the cables.

    Does anyone know who supplies such cables in the Pretoria/Johannesburg/Brits area?

    Thanks.
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by PRA View Post
    Hi,

    I need two 35mm2 inverter battery cables made up - one red and one black.
    Fairly short - each one about 3m in length.
    Ideally also able to fit/crimp appropriate lugs to one end of each of the cables.

    Does anyone know who supplies such cables in the Pretoria/Johannesburg/Brits area?

    Thanks.
    Go to any good solar shop for the cables. Ask for 35mm welding cable. Then ask around for a sparky with dies for crimping the 35mm lugs. AC/DC, 4x4 Direct, KUSO or Voltex would also be able to supply the lugs.

  3. #3
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    Default Re: Inverter - battery cables supplier

    Ellies keeps also sets
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by ekkekan View Post
    Go to any good solar shop for the cables.
    A bit off topic....why specifically welding wire?

    Wouldn't normal stranded wire work just fine, ie Singleflex?
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Prof View Post
    A bit off topic....why specifically welding wire?

    Wouldn't normal stranded wire work just fine, ie Singleflex?
    Because welding cables use very thin strands making then very flexible when routing specially in trunking.

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    Default Re: Inverter - battery cables supplier

    The welding cable is usually grey. I used red and black shrink sleeve on the ends for the + and -
    Kobus

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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by ekkekan View Post
    Because welding cables use very thin strands making then very flexible when routing specially in trunking.
    en is gemaak om baie amps te kan drae en hutte te kan hanteer.

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    Default Re: Inverter - battery cables supplier

    Any other appropriately sized DC cable will work. It does NOT have to be welding cable. Yes, it it often easier obtainable, and more flexible. But thats it.
    Last edited by hbannink; 2020/02/15 at 02:40 PM. Reason: not your fault

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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by SAND View Post
    Any other appropriately sized DC cable will work. It does NOT have to be welding cable. Yes, it it often easier obtainable, and more flexible. But thats it.
    Ek skit net my kop. Gaan maak jou kar se bonnet oop, dan gaan kyk jy wat se size kabel van jou batterye na jou starter toe hardloop, change dit na 2.5mm draad toe en dan report jy terug na my toe hoe dit gegaan nie.

    Jy kan nie sommer enige stik draad vat en tussen n DC load sit nie. dit sal die draad smelt en die draad sal nog flam vat ook teen die tyd wat die draad af brand. Sekere loads trek baie amps en as jy met inverter begin speel, moet jy n sekre size draad he, anderste verloor jy volts en die amp weerstand raak ongelooflik hoog, veral oor daai afstand.

    Byvoorbeeld, my Inverter maak recommend min begin van 50mm2 cable want my inverter kan 150 amps trek en charge. Tot Voltronics /Axpert se jy moet begin van 35mm2 en hoer.

    Dit is hoekom jy sal sien die cheap jumper leads wat so smelt as jy voertuig jump wat n baie groot strarter het.

    Jip, dit hoef nie welding cable te wees nie maar meeste plekke noem dit welding of panel cable, die groot plekke wat cable voorsien noem dit maar welding cable oor die size.

    Oooooo yes, jy kry rooi en swart cable in 25mm2 / 35mm2 / 50mm2 / 75mm2 / 100mm2 . jy moet net weet waar om te koop.
    Last edited by hbannink; 2020/02/15 at 02:41 PM.

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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Gerlach View Post
    Ek skit net my kop. Gaan maak jou kar se bonnet oop, dan gaan kyk jy wat se size kabel van jou batterye na jou starter toe hardloop, change dit na 2.5mm draad toe en dan report jy terug na my toe hoe dit gegaan nie.

    Jy kan nie sommer enige stik draad vat en tussen n DC load sit nie. dit sal die draad smelt en die draad sal nog flam vat ook teen die tyd wat die draad af brand. Sekere loads trek baie amps en as jy met inverter begin speel, moet jy n sekre size draad he, anderste verloor jy volts en die amp weerstand raak ongelooflik hoog, veral oor daai afstand.

    Byvoorbeeld, my Inverter maak recommend min begin van 50mm2 cable want my inverter kan 150 amps trek en charge. Tot Voltronics /Axpert se jy moet begin van 35mm2 en hoer.

    Dit is hoekom jy sal sien die cheap jumper leads wat so smelt as jy voertuig jump wat n baie groot strarter het.

    Jip, dit hoef nie welding cable te wees nie maar meeste plekke noem dit welding of panel cable, die groot plekke wat cable voorsien noem dit maar welding cable oor die size.

    Oooooo yes, jy kry rooi en swart cable in 25mm2 / 35mm2 / 50mm2 / 75mm2 / 100mm2 . jy moet net weet waar om te koop.
    Die OP soek 35mm nie 2.5mm nie. Lees weer

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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Gerlach View Post
    O.......................... Cable must can handle really high amps.
    Sjoe, wee bit overboard here. Instead try to educate perhaps.

    Single Flex/ panel flex comes in all sizes. up to 120mm Sq.

    What wire do you use to run from the panels to the combiner box?
    What wire do use from combiner box to the solar controller?
    What wire do you use from solar controller to Inverter?

    https://www.alverncables.co.za/equipment-cables.html

    https://www.alverncables.co.za/downl...ingle-flex.pdf

    https://www.voltex.co.za/panel-flex-cable/


    Welding cables have a finer strand of 0.21mm for flexibility and a thicker jacket for protection for use in welding environment.

    If I got all this wrong....help out then.
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    Last edited by hbannink; 2020/02/15 at 02:42 PM. Reason: Wave and smile Prof
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  16. #12
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by barend.dewaal View Post
    Die OP soek 35mm nie 2.5mm nie. Lees weer
    Dit weet ek. Lees my post weer stadig en mooi en lees boontoe. Dit is hoekom ek gese het hy moet groot size gaan en nie klein nie.

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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Gerlach View Post
    Remember, that cable is running DC power, not AC. Cable must can handle really high amps.
    The AC or DC is not the real issue. The current, yes.

    1500w kettle will draw 6.8A from 220v source BUT 125A from 12v source.

    Also low voltage has a much higher loss in cable compared to high voltage. Thatís why the looong overhead lines are at 100ís of thousands of volts, not 220v.

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    Default Re: Inverter - battery cables supplier

    4x4direct in Centurion. Bought a whole bunch of decent cable and lugs from them a few weeks ago.

    I think they may even crimp them for you if you ask nicely.
    Cheers

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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Gerlach View Post
    Ek skit net my kop. Gaan maak jou kar se bonnet oop, dan gaan kyk jy wat se size kabel van jou batterye na jou starter toe hardloop, change dit na 2.5mm draad toe en dan report jy terug na my toe hoe dit gegaan nie. .................................................. ........

    .................................................. ..............................
    Oooooo yes, jy kry rooi en swart cable in 25mm2 / 35mm2 / 50mm2 / 75mm2 / 100mm2 . jy moet net weet waar om te koop.
    Enigste verwysing na dun draad behalwe vir die gelag en Prof se naam probeer met 'n plank slaan.

    Ek het al met 25mm enkel core draad gewerk, dit en groter deursnee word gereeld gebruik vir oorhoofse krag drade (overheads).

    Hoe dunner die strands hoe minder die dra kapasiteit dit is hoekom 'n 25mm welding kabel amper 2x dikker is as 'n GP 25mm, albei het omtrent die selfde dra kapasiteit.

    Gebruik 'n 2.5 solid in 'n voertuig in plaas van 'n stranded wat dikker is en die vibrasie breek daardie solid reg langs die vasmaak punt af maar gebruik 'n stranded op lang runs en die volt drop is baie meer as die solid. Kabels word gemaak met verskillende eienskappe en dit is vir die verbruiker om homself in te lig omtrent hierdie eienskappe sodat hy die beste werk verrigting kan kry vir sy aanwending

    Ps Ek het 'n leeftyd gewerk met verskillende kabels en het nog nooit een spesefiek vir AC of DC gekry nie
    Last edited by hbannink; 2020/02/15 at 02:35 PM.
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Leanercamper View Post
    The AC or DC is not the real issue. The current, yes.

    1500w kettle will draw 6.8A from 220v source BUT 125A from 12v source.

    Also low voltage has a much higher loss in cable compared to high voltage. Thatís why the looong overhead lines are at 100ís of thousands of volts, not 220v.
    Actually, for the same, the loss at low voltage is the same as at high voltage. Itís the consequence that is different.

    2V loss at 12V is a train smash. 2V loss at 240v is of no consequence.
    Cheers

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  23. #17
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Gerlach View Post
    Dit weet ek. Lees my post weer stadig en mooi en lees boontoe. Dit is hoekom ek gese het hy moet groot size gaan en nie klein nie.
    Nee, JY moet weer gaan lees. Hy het gevra hoekom welding wire ipv Single Flex (wat ook in 35mm2 en op beskikbaar is).

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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Fluffy View Post
    Actually, for the same, the loss at low voltage is the same as at high voltage. Itís the consequence that is different.

    2V loss at 12V is a train smash. 2V loss at 240v is of no consequence.
    Agreed. Perhaps I worded it badly but my intentions were that the higher the voltage, the lower the resultant current. The lower the current, the lower the resistance losses in the conductors.

    Anyway, we digress much!

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  26. #19
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by hbannink View Post
    Enigste verwysing na dun draad behalwe vir die gelag en Prof se naam probeer met 'n plank slaan.

    Ek het al met 25mm enkel core draad gewerk, dit en groter deursnee word gereeld gebruik vir oorhoofse krag drade (overheads).

    Hoe dunner die strands hoe minder die dra kapasiteit dit is hoekom 'n 25mm welding kabel amper 2x dikker is as 'n GP 25mm, albei het omtrent die selfde dra kapasiteit.

    Gebruik 'n 2.5 solid in 'n voertuig in plaas van 'n stranded wat dikker is en die vibrasie breek daardie solid reg langs die vasmaak punt af maar gebruik 'n stranded op lang runs en die volt drop is baie meer as die solid. Kabels word gemaak met verskillende eienskappe en dit is vir die verbruiker om homself in te lig omtrent hierdie eienskappe sodat hy die beste werk verrigting kan kry vir sy aanwending

    Ps Ek het 'n leeftyd gewerk met verskillende kabels en het nog nooit een spesefiek vir AC of DC gekry nie
    Well said.

    However you do get cables specifically for AC or DC

    Itís more to do with packaging conventions, especially relating to safety, than electrical performance. So red and black packaged as a twin are clearly for DC. Three phase AC cables are a case in point.

    DC tends to flow in the centre of a core and AC in the outer region or ďskinĒ. This is called skin effect. The higher the AC freq the thinner the skin. Some specialized cables go so far as to having a hollow centre core.

    But I digress.
    Cheers

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  28. #20
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    Default Re: Inverter - battery cables supplier

    Quote Originally Posted by Fluffy View Post
    ............................

    But I digress.
    That is what makes things interesting and sometimes educational and most of all fun
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