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Can anyone suggest somewhere in the Bayswater/Ringwood area to buy wire thicker than the standard 15amp (1.84mm2) that REPCO etc sell. I checked the voltage at my driving lights with them on and I'm dropping a full volt compared to the battery voltage So I was thinking of beefing the wiring up to something like 6mm2.
Hi MK, the current rating on most wire is both confusing and has no real relation to the applied use of the wire.
The 15 amp rating on your cable is an indication of the maximum current the cable can carry before the insulation starts to melt, not not really all that helpful when trying to design a circuit.
In your case 6mm Automotive cable ( 4.5mm2 ) will do the job and run both positive and negative.
You should be able to get cable at any auto electricians.
I ended up buying 4 rolls to make up a headlight loom and few other things, thinking it was way too much overkill at the time, but I have since made a couple of headlight looms with it for mates and must admit the rolls are looking a little slim lately.
I paid about a $1 per metre when buying by the roll, for 6mm wire.
So I was thinking of beefing the wiring up to something like 6mm2.
