[T3] Battery cables

Soren Jacobsen snj at blef.org
Thu Dec 3 01:27:17 PST 2015

On 12/03 02:11, Jim Adney wrote:
> On 2 Dec 2015 at 23:23, Soren Jacobsen wrote:
> > Perhaps that's what was going on, but it strikes me as a bit
> > unlikely, given that the connection between the clamp and battery
> > post was free of corrosion.  Corrosion was only present on the
> > copper wire strands where the clamp was crimped on, and that
> > corrosion was invisible until I cut the clamp off to investigate.
> The post and OG clamp are both made of lead, which is barely affected
> by the acid. The acid only attacks the copper. It works it's way in
> along the copper/lead interface, eating away at the copper. Note that
> the OG bolt and nut were also special, being lead coated to resist
> being attacked by the acid.

Ahh, I suppose that makes sense.

> The OG clamps weren't crimped on, they were cast onto the end of the
> copper cable. It's a superior technique that isn't done any more.

Sad to see parts suppliers cutting corners so often these days.  I doubt
there are many original cables to be had these days.


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