Re: battery cables and connectors

["David McAlister" <davidmcalister@mindspring.com>]

<<snip>>

> Regarding the wire; electrons are blind. They don't care if you use 2/0
> welding cable (hundreds of fine strands), 2/0 electrical cable (a couple
> dozen heavy strands), or even solid copper buss bars of the same cross
> section. The difference is just mechanical; how flexible it is. When you
> are connecting batteries, you just need enough flexibility to allow for
> small movement between batteries due to temperature, vibration, etc.
> --
> Lee A. Hart                Ring the bells that still can ring
> 814 8th Ave. N.            Forget your perfect offering
> Sartell, MN 56377 USA      There is a crack in everything
> leeahart_at_earthlink.net  That's how the light gets in - Leonard Cohen
>

At DC, electrons are blind.  At higher frequencies, something called the
skin effect takes over.  High frequency current flows only on the outer
surface of conductors.  The depth of penetration depends on the frequency,
wire material, etc.  However at the frequencies being discussed (DC up to
the 10s of kHz of controller switching) the skin effect is probably
negligable.  (Which is probably why Lee didn't mention it :-) ).