50.200.188.134
This Post Has Been Edited by the Author
In Reply to: RE: Instantaneous current demand and wire gauge? posted by Tweaker456 on March 05, 2016 at 13:27:56
The ability of a given wire to accommodate a given amperage is well characterized and appears as part of the IEC - and is usually given in tables where you have Volt amps on one side, wire gauge across the top and in the columns are listed the acceptable distances -
while this is not exactly what you asked - it does address the subject-
the speed of transmission is a constant- through the wire and is only affected by the connections and the supply
Typically in HiFi we are in the under 1000 V/A range - so at 120 VAC the current would be 8.334 Amps - so anything over #14 wire is good for 50 feet with negligible losses - and if you use wire better than #10 you are good to 100+ feet-
Given that many of the speaker wires commonly used are bigger - the ampacity is not really an issue - it becomes the exotic construction etc...
Happy Listening
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