--- In firstname.lastname@example.org
, Jack Smith <Jack.Smith@...> wrote:
> There's an easy to remember rule relating AWG and wire size.
> No. 10 is 0.100 inch diameter and has a resistance of 1 ohm per
> For every 3 steps in AWG number, the resistance is half or double.
> ga, for example is 2 steps of 3 so the resistance is doubled twice
> ohms per 1000 ft.
> Diameter doubles or halves for every 6 steps in ga number. Hence,
> will have a diameter of 0.1 x .5 x .5 or 0.025 inches.
> Diameter is 72% or 144% change with 3 ga. numbers--72% for smaller
> 144% for larger.
> If you remember these simple relationships, you can carry a wire
> around in the back of your head.
> Jack K8ZOA
> >Thats great, Jack. Wonderful... Who knew????