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Old Jan 30, 2013, 12:38 PM
Registered User
Joined Jul 2011
8 Posts
This is excellent, ive got 2 axi goldline motors running on 12 amp speed controllers that have 20awg wires on them, so should i get the same to connect to the battery which is a 3s 20 battery? My reasoning is that the 20c is split between the two motors which shouldnt draw more the 10amps according to the manual. Any oppinions would be great before i order so 20awg.
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Old Jan 31, 2013, 06:26 AM
Florida West Coast
Joined Jan 2004
2,375 Posts
Here is the chart with all the information you need. These are the specifications of the wire that we supply our customers, both RC and commercial.

A few items to note:

a). Most times when customers buy wire, the supplier does not list the strand count. This is important to the amount of amps that can be drawn as well as the flexibility of the wire. The chart shows the strand count for .08 and .06 wire.

b). The chart is based off of tinned copper wire. Cheap wire is not made from copper, but rather brass or aluminum. Again the consumer would not know this information as the supplier does not reveal this.

c). Voltage is not relevant for our use in RC as the wire is designed nominal voltage of 600V and tested at 2000V.

d). Limitation in amp draw of the wire does not account for any limitations on the attached connector. As an example, 20 AWG wire is good for up to almost 9 amps, but the JST/BEC connector is limited to 5-6 amps.
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Old Jan 31, 2013, 09:06 AM
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Joined Jul 2011
8 Posts
Cool, so pure copper with silicone shroud resistant to 200 degrees C would take more amps than tinned copper? I've had a look again at the motor manuals which has a maximum current draw of 8 amps each (two motors), plus the micro servo's I have, should be alright. on the turnigy 850mah 2 cell 25-35c they use 20awg, cable length of the entire setup is a factor, shorter the better, but don't chop the motor wires!
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