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Ask an Expert Forum Can i extend a lipo battery wire of 10 awg with a 14 awg wire
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Can i extend a lipo battery wire of 10 awg with a 14 awg wire

arkcreation
arkcreation over 5 years ago

Hi all,

 

I've just started to get into building RC cars and currently have limited experience.

 

I accidentally cut my lip wires to short while changing the plug to an XT90.

 

The battery wire is marked as 10 AWG. Would it be possible to extend this wire with some spare 14 AWG i have laying around, or would i need to use 10 AWG?

 

Thanks!

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  • jw0752
    jw0752 over 5 years ago in reply to arkcreation +5
    Hi Michael, If you are dealing with the amount of current that requires 10 AWG wire you will also have to do a good job with the splice between the two sections of wire. The splice will be the weak point…
  • colporteur
    colporteur over 5 years ago in reply to genebren +4
    The 10AWG wire is sized for large current delivery capacity. 14AWG is a smaller gauge than 10AWG and has a much reduced current carrying capacity. Using 14AWG might result in insulation toasting and causing…
  • genebren
    genebren over 5 years ago +3
    I would use 10 AWG. I don't know how much current the wire is carrying, but in general, 10 AWG wire can safely carry ~2.5 time more current that 14 AWG. Also, the voltage drop in the wire is ~2.5 greater…
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  • shabaz
    shabaz over 5 years ago

    Totally agree with genebren ... RC motors take a ton of power... the wire is critical. Also, ideally you'll want wire with some flame resistance, not general hook-up wire.

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  • shabaz
    shabaz over 5 years ago

    Totally agree with genebren ... RC motors take a ton of power... the wire is critical. Also, ideally you'll want wire with some flame resistance, not general hook-up wire.

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