I got this information from http://www.powerstream.com/Wire_Size.htm.
73
Larry
KB5DXY
Here is a chart of wire gage versus current capacity for power
transmission.
Gage Amps
12 9.3
14 5.9
16 3.7
18 2.3
20 1.5
Where does this chart come from?
In the USA, general 120 volt house wiring uses the following standard:
#10 30 A circuit breaker
#12 20 A circuit breaker
#14 15 A circuit breaker
That's for copper wire in a conduit or multiwire cable like NM or UF.
The National Electrical Code (NEC) is very conservative, because a
minor mistake can mean lives and property lost.
IMHO, for applications like a power cord for the K2, you can't simply
specify a wire size except to specify a minimum size for the current
drawn. You also need to figure out the resulting voltage drops for the
cable length used.
73 de Jim, N2EY
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