Traxide SC80 Battery Controller

Quote:

---

Originally Posted by garrycol

Where can you buy this heavy duty cable - I need to run cable from my battery - 15 feet to the rear then another 15 feet to the rear of the van - so a long way to send 12v power and expect some oomph at the end.

Thinking about welding cable but is a bit expensive.

Garry

---

Quote:

---

Originally Posted by Franz

Autobarn, SCA, Repco or caravan accessory suppliers.

---

Quote:

---

Originally Posted by Franz

Also try Battery World.

---

Quote:

---

Originally Posted by garrycol

Ok - I will have to go visit them again - never seen real heavy stuff at any of the auto shops - was just at SCA and they do not have anything heavy like I have on my van.

Cheers

Garry

---

I went out to buy 6.5m of cable to wire up the RRS so that I have power at the rear so I can charge the van batteries when on the move. This is the twin core cable I am after.

http://i42.photobucket.com/albums/e3...m/07012012.jpg

I tried two auto electricians, Battery World, the Battery Factory, Jaycar, Repco, Autobarn, SuperCheap, Pride 4wd and Lloyds caravans - all without success.

Single core yes - but not twin core.

So any other suggestions on where to buy this stuff.

Thanks

Garry

Ebay:

10 metres of 6B&S twin core cable12v dual battery system | eBay

6B&S TWIN CORE CABLE DUAL BATTERY SYSTEM 12V x 10 METRES | eBay

Big enough?

Or this:

DUAL BATTERY & ANDERSON PLUG WIRE - 140AMP 3 CORE CABLE | eBay

Traxide ....

25mm sq twin red & blue in a clear sheath ... cable

Is there a reason your against single core?

Quote:

---

Originally Posted by cookiesa

Is there a reason your against single core?

---

Because all the advice on here seems to be that power from the battery needs to come direct from both terminals. I am not sure why as it would be a hell of a lot cheaper to just run the positive direct from the battery and bolt the earth to the car chassis near the rear anderson plug.

Garry

Quote:

---

Originally Posted by garrycol

Because all the advice on here seems to be that power from the battery needs to come direct from both terminals. I am not sure why as it would be a hell of a lot cheaper to just run the positive direct from the battery and bolt the earth to the car chassis near the rear anderson plug.

Garry

---

Because LR earth is not chassis based and is a very poor connection :cool:

Quote:

---

Originally Posted by Tombie

Because LR earth is not chassis based and is a very poor connection :cool:

---

Well body based earth then.

Garry

Quote:

---

Originally Posted by garrycol

Well body based earth then.

Garry

---

An accessory running at 10 amps would be OK to earth to the body. At 100 amps it isn't enough. I've run rear batteries on rally cars, and it is always better to run a separate earth from at least the transmission casing to the rear. So yes you could save a couple of metres of earth cable by relying on the alloy trans casing, but the body, not so much.

Yes, always better to return to the source..

Prevents voltage differentials too, seen them do wild and crazy things to vehicles...

Same for people wiring CBs UHFs HFs and Amplifiers... Go back to the battery for a good clean feed.

Thanks guys.

Thats what I have previously been told but certainly do not understand the logic, particularly as all the cars systems use the body as earth and generally do not run cables back to the negative terminal of the battery. Surely the cars body can carry far more current than any cable can - I suspect the limitation is in fact the size of the standard cable that connects the negative terminal of the battery to the car body and provides all the negative side of car electrical services.

However, I certainly accept the advice of smarter minds than mine and that is why I am after twin cable like I have shown.

Cheers

Garry