Wire gauge for lighting harness?

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NCC1966
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Wire gauge for lighting harness?

Postby NCC1966 » Thu Jun 23, 2016 10:48 pm

I hope that someone with lighting experience can help me with this...

I have found a store near to me that sells plastic insulated wires in the following gauges: 0.05mm; 0.10mm; 0.13mm; 0.20mm; 0.30mm; 0.32mm; 0.50mm.

Now I have no idea what would be the ideal gauge for the navigation lights. I thought on buy the thinner one (because LED has a low consuming and also because it's cheaper!) but better to ask first.

For the internal lighting (windows) and nacelles I am willing to use high brightness white and blue LED tapes or an array of 5mm LEDs (whatever I find). What wire gauge in this case?

Thanks!

:)
Thanks,

Yan.

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Moongrim
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Re: Wire gauge for lighting harness?

Postby Moongrim » Fri Jun 24, 2016 2:03 pm

Such would depend largely upon how much current the LED's (in total) would draw upon.

http://www.cerrowire.com/ampacity-charts

http://electronics.stackexchange.com/qu ... pper-wires

Or to make things easier- the thicker the wire- the more current it can handle without overheating. I'd go with the bigger/thicker wire. 0.5mm- 3 Amps.
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NCC1966
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Re: Wire gauge for lighting harness?

Postby NCC1966 » Fri Jun 24, 2016 2:35 pm

Moongrim, probably I just needed this relationship between gauge and amperage!

Having this I think I can go with 0.5mm for long LED arrays or LED tapes (for interior and nacelles) and with 0.13mm (or even 0.05mm) for each navigational lights group that won't take more than 200mA!

Thanks for the input!

:mrgreen:
Thanks,

Yan.

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Julien
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Re: Wire gauge for lighting harness?

Postby Julien » Thu Jun 30, 2016 3:59 pm

I had to check but the thinnest wire I use is 0.15mm (for a single led).

For the main line I go a lot thinker but I'm not sure how think is it...

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NCC1966
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Re: Wire gauge for lighting harness?

Postby NCC1966 » Wed Jul 06, 2016 9:27 pm

Thank you Julien! Just now I saw your message!

:)
Thanks,

Yan.

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harristotle
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Re: Wire gauge for lighting harness?

Postby harristotle » Fri Sep 02, 2016 5:01 pm

You can use really thin wire with LEDs. Not sure the gauge, but the magnet wire I use is rated at 300 mA and thathe stuff is about as thick as a piece of thread if not thinner. The LEDs I use draw 10 mA each. The nacelles in my Enterprise C build have almost 60 LEDs being run through 1 wire on the positive side. They're in series of 3 and each series draws 10 mA so I'm using 2/3s of the full current capacity of the wire.
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