[TriEmbed] Power Supply rail current

[Scott Hall]

On Tue, Jul 8, 2014 at 2:56 PM, Rodney Radford <ncgadgetry at gmail.com
<mailto:ncgadgetry at gmail.com>> wrote:
> Looks like you have 3x tie points for +V an 3x tie points for -V, with a total
> across all three loads as 100A.
>
> Since you would not want to run a 100A wire (as you see the size required for
> that), just run 3x smaller wires.
>
> Is all 100A going to the same point, and if so, where?  From your first post,
> it sounds like you are trying to build a 100A supply around this - is that
> true? So why not just feed all 3x of each to the outside instead of trying to
> find a 100A binding post?
>

You would combine 3 wires, each capable of carrying 35 amps from each of the
terminals.  According to my calculations, 5 VDC @ 33 A would require #14 solid
wire, #12 stranded.  (I also calculate #12 solid wire for 12 VDC @ 33 A - a
situation I just ran into).  Crimp terminals suitable for #12 wire would work
just fine.

Now you know what those high-wattage car-stereo booster-amp power supply leads
are for... :)

-- 
Scott G. Hall
Raleigh, NC, USA
ScottGHall1 at GMail.Com

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