Invisible wrote:
> scott wrote:
>>> (Woah - 63A? o_O Anybody know what thickness of copper it takes to
>>> handle that kind of currentl? That's gotta be more like a girder than
>>> a wire!)
>>
>> Roughly double your standard 13A cable would do...  Look at the cable
>> going to the starter motor on your car, that's usually 100A or so.
> 
> 1. A car runs on 12V electrics, not 250V. Does that make a difference?

No.

> 2. Is maximum load proportional to diameter or cross section area? (The
> latter is quadratically propertional to diameter.)

Cross section area.
(But I don't know how it is with really large
cross sections and currents.)

-- 
Tor Olav
http://subcube.com

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