[Elecraft] K3: reverse 12 volt supply

[Don Wilhelm]

But that does not match the markings on a battery which is usually 
marked with "+" at the positive terminal.:-)

73,
Don W3FPR

On 9/15/2015 8:14 AM, ae4pb at carolinaheli.com wrote:
> I have an idea. Why not color code the wires so we know which one is
> positive and which one is Ground (or neutral) ? Maybe make the positive lead
> red (like hot, danger) and the other one anything, black, green...
> Thoughts?
>
>