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rv8ch
Joined: 10 Jan 2006
Posts: 250
Location: Switzerland
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 Posted: Sun Sep 03, 2017 2:53 am Post subject: e-mag p model (pmag) power/ground wire size question |
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Hi,
The pmag instructions say that the maximum current draw is 0.25 amps, but they recommend 18 AWG wire for both power and ground, and 22 AWG for the other 4 wires.
From the manual:
"(Power and ground wiring should be 18 gauge. Other wires can be 20 gauge.)"
"Idle current draw (not firing) is approx. 20ma, while max current draw (firing at max rpm) is approx 0.25 amps"
I can get nice 6 conductor 22 AWG wire which I think would work well for 0.25 amps at 12 volts, but is not in line with the manual.
My instinct is to just do what the supplier says, but unfortunately the AEC has taught me to think about these things, which can be dangerous! 
Mickey Coggins
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Mickey Coggins
http://www.rv8.ch/ |
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user9253
Joined: 28 Mar 2008
Posts: 1926
Location: Riley TWP Michigan
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| Posted: Sun Sep 03, 2017 8:14 am Post subject: Re: e-mag p model (pmag) power/ground wire size question |
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The recommended wire size was likely chosen for mechanical robustness rather than ampacity.
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Joe Gores |
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