[Boatanchors] Copper Wire Table

[J. Forster]

The rule of thumb for designing chokes and transformers is 500 circular mils per
amp.
At least that's what I was taught in transformer design class.

-John


Joe Walden wrote:

> >From Joe w5jdy in Okla...   I have been re-building some OLD,OLD
> Transformers and Chokes?  Well lets say,not
> rewinding ,just installing new lead wires..   My question is:: For example,I
> have a Choke that measures 15hy on my Heathkit Model 2240 digital LC bridge
> and the resistance measures 140 ohms....  The wire size is .014", plus or
> minus .0005" in diameter...  All wire tables I have looked at have different
> current carrying capacities listed...  What would be your estimation of the
> milliamps this choke would be rated at??   I'm interested to see if I get
> about the same answer from each of you.... Thanks,Thanks to all of you....
> Joe,Re-inventing the wheel in Norman,Okla.