Another learning curve re wire sizing...

aussie_paul · Guru

Another learning curve re wire sizing...

Dougwe · Chief one feather

The one on the left looks like plain old 6mm cable Paul.

aussie_paul · Guru

Dougwe wrote:
The one on the left looks like plain old 6mm cable Paul.

I reckon Doug. I did not give the incorrect info, they heard it WRONG!!!!!!!!!!! Glad I did not buy a 100 mtr roll of it!!!! Ah ha the joys of learning about our rigs!!! biggrin

Aussie Paul. smile

Baz421 · Guru

Here's a chart to help I hope.

http://www.engineeringtoolbox.com/wire-gauges-d_419.html

aussie_paul · Guru

Baz421 wrote:
Here's a chart to help I hope.
http://www.engineeringtoolbox.com/wire-gauges-d_419.html

Thanks Barry.

Aussie Paul. smile

Dougwe · Chief one feather

I remember this time last year Paul, I put the Collie in to get something done at TJM and asked for 6B&S cable and that I know the difference. When I went to pick up the Collie crawled in underneath to check the job and BINGO not 6B&S. I said to please do as I asked. They said it is what they normally use. I said do what I am paying for. All changed and off I went a happy camper IN THE END.

grahamg · Senior Member

lot of confusion with wire size.

03_Troopy · Guru

Here's a pic I posted on here ages ago somewhere.

Phillipn · Guru

If you need auto wiring check out this web site. www.agwholesalers.com.au he has 6 and 8 B&S wire. it is not listed on his web site, . 8 B&S twin core $5.50 a metre. That about half price to the next best price I could find. 50 amp Anderson plugs 4 for $11.

They are at Greenmount south of Toowoomba.

I was at his warehouse a week or two ago and he had plenty of 6 and 8 B&S wire in stock.

-- Edited by Phillipn on Wednesday 22nd of July 2015 08:14:03 PM

Cruising Cruze · Guru

Hard to find 6 B&S locally In the shops where I live not even at Jaycar

Last time I ordered Anderson type plugs they were 10 for 15 Dollars By BitDeals on EvilBay
cheeper to buy the compleet set than just the lugs what go in them

The cheepest I found were 3 dollars the 2 pins

Cheers John

03_Troopy · Guru

Just be aware that some of the "Anderson Style Plugs" aren't as robust as genuine Anderson Plugs. Plating on some of the cheapies is a tad thin too.

Phillipn · Guru

Cruising Cruze wrote:
Hard to find 6 B&S locally In the shops where I live not even at Jaycar

Last time I ordered Anderson type plugs they were 10 for 15 Dollars By BitDeals on EvilBay
cheeper to buy the compleet set than just the lugs what go in them

The cheepest I found were 3 dollars the 2 pins

Cheers John

Your cheap plugs are no good without the wire. What you save on the wire more than makes up for the cost of the plugs.

Baz421 · Guru

Cruising Cruze wrote:
Hard to find 6 B&S locally In the shops where I live not even at Jaycar

Last time I ordered Anderson type plugs they were 10 for 15 Dollars By BitDeals on EvilBay
cheeper to buy the compleet set than just the lugs what go in them

The cheepest I found were 3 dollars the 2 pins

Cheers John

John Go to an auto elec place they have all size wire normally,,, up to wire as thick as your thumb at least (used for diesel truck jumper leads)

aussie_paul · Guru

Hi all you helpers. It appears that when I got the brake controller and fridge line added last year they have used 8 B&S to the 12 pin plug. The Jayco wiring for the fridge and Setec aux input appear to be also 8 B&S.

Am I correct in assuming the fridge would be drawing more current than the DC to DC charger as we drive? The solar is also charging the batteries as we travel.

I am thinking of running a second parallel line of 6 B&S from the 80 amp dual battery isolator for the fridge and use the already fitted 8 B&S to a DC to DC charger at the house batteries. I will parallel the Jayco wires that feed the fridge and Setec to supply only the fridge.

Aussie Paul. smile

aussie_paul · Guru

This is the wire that Jayco have installed our 2011 Sterling. hmm

Aussie Paul. smile

Baz421 · Guru

aussie_paul wrote:
This is the wire that Jayco have installed our 2011 Sterling.
Aussie Paul.

Good photo Paul,,, BUT what do these wires go to is the important question?????

Also what current are you expecting ie 2A for lights or 15A for fridge etc??

aussie_paul · Guru

Baz421 wrote:
aussie_paul wrote:
This is the wire that Jayco have installed our 2011 Sterling.
Aussie Paul.
Good photo Paul,,, BUT what do these wires go to is the important question?????
Also what current are you expecting ie 2A for lights or 15A for fridge etc??

Hi Barry, one of those wire is between the batteries and the Setec charger, so all the van current comes and goes through that wire when not connected to 240V power. The second wire goes to the fridge from the tug, and the 3rd is the Setec aux input from tug. The couple of thinner wires are for water tank level indicators and the round wire is the 240 AC.

I have paralleled the fridge and Setec aux wires to only run the fridge, so doubled the amount of wire to the fridge. I now plan to run 6 B&S between the batteries and the Setec charger. Next Wednesday I am having a 6 B&S added to the tug to charge batteries via a DC to DC charger. I already have an 8 B&S fitted to the tug via a battery isolator, and that will now feed the fridge.

Aussie Paul. smile

greyhoundtom · Senior Member

Deleted post due to it being off topic.

Tom

-- Edited by greyhoundtom on Saturday 25th of July 2015 09:25:34 PM

Baz421 · Guru

aussie_paul wrote:
Baz421 wrote:
aussie_paul wrote:
This is the wire that Jayco have installed our 2011 Sterling.
Aussie Paul.
Good photo Paul,,, BUT what do these wires go to is the important question?????
Also what current are you expecting ie 2A for lights or 15A for fridge etc??
Hi Barry, one of those wire is between the batteries and the Setec charger, so all the van current comes and goes through that wire when not connected to 240V power. The second wire goes to the fridge from the tug, and the 3rd is the Setec aux input from tug. The couple of thinner wires are for water tank level indicators and the round wire is the 240 AC.
I have paralleled the fridge and Setec aux wires to only run the fridge, so doubled the amount of wire to the fridge. I now plan to run 6 B&S between the batteries and the Setec charger. Next Wednesday I am having a 6 B&S added to the tug to charge batteries via a DC to DC charger. I already have an 8 B&S fitted to the tug via a battery isolator, and that will now feed the fridge.
Aussie Paul.

I think I get what you are saying Paul,,, sounds good to me. At the end just make sure you check for any voltage drop at fridge etc (do this for all jobs like this) but you shouldn't have any problems.

03_Troopy · Guru

And when you are checking for voltage drop, make sure the cable has the full load on it. Was talking to a bloke who had zero voltage drop on a 6mm auto wire to his 3 way fridge, when it was turned off. If you are drawing no current, you won't see any voltage drop.

aussie_paul · Guru

03_Troopy wrote:
And when you are checking for voltage drop, make sure the cable has the full load on it. Was talking to a bloke who had zero voltage drop on a 6mm auto wire to his 3 way fridge, when it was turned off. If you are drawing no current, you won't see any voltage drop.

I have really found out lately how true that is Bob. I find it strange that some multimeters have the capacity to read up to 10 amps with the supplied leads that are VERY lightweight!!!

Aussie Paul. smile