Try a hobby store. They are most likely to have those products.
On Oct 6, 2008, at 11:54 AM, David E. Nelson wrote:
> >
>
>
> Hi Bob,
>
> I'm having a heck of a time finding either brass or copper sheet/
> straps to make the contactor-to-contactor buss bars. The 'KS
> Engineering' (spelling?) display seems to have become quite rare in
> the likes of Lowes, Home Depot, and Ace Hardware.
>
> Looking around the shop, I was thinking of taking some 1/2" annealed
> (ie. soft) copper tubing and flattening it out in a vise w/ smooth
> jaws to make some ~3/4" "bar" with a thinkness of around .098" (I
> think the wall thinkness is .049, IIRC). I was then thinking of
> silver soldering brass washers though that that may be overkill.
>
> If my math is right, this comes out to something around 93500 CM
> which is somewhere between 1 and 0 AWG. While this may seem
> overkill, I chose 1/2" over 3/8" tubing to allow plenty of edge
> distance (a little over 1/4") around the 5/16" contactor bolts.
>
> Do you have any concerns of using this method?
>
> Thank you,
> /\/elson
>
>
