Just a quick cable size question for leds

[adambrum]

I need to get some cable ordered but im unsure on size.

 

Im planning on running meanwells about 6 ft from the array, the meanwells will be running at about 40v so i have a little room for voltage drop.

 

So what size cable would you recomend.

 

Thanks Adam

[evilc66]

Minimum 18awg wire.