View Full Version : Cable Sizes & Voltage Drops

16-02-2006, 09:47 AM
Ok I put this to the bench to find out EXACTLY what should be used today.

Can be found here

hopefully that should clarify it.....

16-02-2006, 10:36 AM
Awesome.....Thanks for that andrew. I will sit down and have a good look at it tonight.

16-02-2006, 12:01 PM
Excellent. Thanks Andrew.

21-02-2006, 10:11 PM
Great file, but it leaves you having to drive a calculator to determine the actual drop at the appliance for difference loads and distances from the battery.

check out the Wire Size Calculator (http://www.geocities.com/prado_95/Wire_Size_Calc.html) if your not too handy with calcualtions. You can even determine the impacts of difference loads & wire sizes.

Note that automotive wire sizes DO NOT conform to AS3000 standards. They are very much on the low side.

Typically you are looking for less than about 0.3 volt drop under max load (current).

21-02-2006, 10:29 PM
mine are based on as3000 spec.

23-02-2006, 08:38 PM
mine are based on as3000 spec.

Now thats (almost) first - somebody who knows what AS300o is.

You must be a sparky, or mates with one.

23-02-2006, 09:43 PM
formely a sparky, now a automation tech/plc.scada programmer/anything else they get me to doer.

23-02-2006, 09:45 PM
wait till we crack out the big cable and get 3008 out :)