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16 May 2017, 09:57
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#1
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Member
Country: UK - England
Town: Bournemouth
Make: Avon
Length: 3m +
Engine: Merc 25hp 2stroke
Join Date: Nov 2014
Posts: 107
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Battery Cable
Looking to replace the battery cables on my 50HP Yam 2st, would 16mm2 cable be ok as the next step up is 25mm2 and is a lot more money? 16mm is rated at 110a and 25mm is 170a?
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16 May 2017, 11:29
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#2
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Member
Country: UK - England
Town: South Yorks
Boat name: Black Pig
Make: Ribcraft
Length: 5m +
Engine: DF140a
MMSI: 235111389
Join Date: Feb 2008
Posts: 12,180
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Quote:
Originally Posted by mattwarner
Looking to replace the battery cables on my 50HP Yam 2st, would 16mm2 cable be ok as the next step up is 25mm2 and is a lot more money? 16mm is rated at 110a and 25mm is 170a?
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It all depends on the length of run
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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
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16 May 2017, 13:58
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#3
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Member
Country: UK - England
Town: Bristol
Make: Ribcraft
Length: 5m +
Engine: Yamaha
Join Date: May 2006
Posts: 4,299
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25 mm welding cable is ideal for your application matt. Think i paid £35 for 8 metres
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Member of S.A.B.S. West Country Division
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16 May 2017, 14:07
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#4
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Member
Country: UK - England
Town: Wild West
Boat name: No Boat
Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 5,306
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Quote:
Originally Posted by matt h
25 mm welding cable is ideal for your application matt. Think i paid £35 for 8 metres
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16 May 2017, 14:28
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#5
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Member
Country: UK - England
Town: Bournemouth
Make: Avon
Length: 3m +
Engine: Merc 25hp 2stroke
Join Date: Nov 2014
Posts: 107
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cheers guys 5m length is what iam working with
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16 May 2017, 17:08
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#6
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Member
Join Date: Jun 2010
Posts: 2,934
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25mm2 5m jump leads were 20 quid in euro car parts, normally a sale on. i just cut up some last week for fitting leccy winch.
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16 May 2017, 17:21
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#7
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Member
Country: UK - England
Town: South Yorks
Boat name: Black Pig
Make: Ribcraft
Length: 5m +
Engine: DF140a
MMSI: 235111389
Join Date: Feb 2008
Posts: 12,180
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Quote:
Originally Posted by Xk59D
25mm2 5m jump leads were 20 quid in euro car parts, normally a sale on. i just cut up some last week for fitting leccy winch.
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Are they tinned strand?
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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
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16 May 2017, 17:40
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#8
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Member
Join Date: Jun 2010
Posts: 2,934
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tinned copper strand yes.
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16 May 2017, 21:38
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#9
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Member
Country: UK - Scotland
Town: denny
Boat name: breezy
Make: northcraft
Length: 6m +
Engine: honda 150
Join Date: May 2016
Posts: 888
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Quote:
Originally Posted by Xk59D
tinned copper strand yes.
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did you get the terminals crimped on yet
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16 May 2017, 21:43
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#10
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Member
Join Date: Jun 2010
Posts: 2,934
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I soldered everything on dude, it is all working now. Just need to actually try it.....Sunday maybe.
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16 May 2017, 22:14
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#11
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Member
Country: UK - Scotland
Town: denny
Boat name: breezy
Make: northcraft
Length: 6m +
Engine: honda 150
Join Date: May 2016
Posts: 888
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am having the day off so hopefully the weather will be right
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16 May 2017, 22:56
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#13
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Member
Country: UK - England
Town: South Yorks
Boat name: Black Pig
Make: Ribcraft
Length: 5m +
Engine: DF140a
MMSI: 235111389
Join Date: Feb 2008
Posts: 12,180
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Quote:
Originally Posted by HDAV
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They definitely won't be tinned & unlikely to be stranded. Wrong cable for the job.
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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
Rule#4: Don't feed the troll
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16 May 2017, 23:01
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#14
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Member
Join Date: Jun 2010
Posts: 2,934
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As I said, euro car parts are 20 odd quid depending on the sale special you catch, weekends are normally 40% recently....
Top Tech Booster Cables 25mm - 600 Amp 5.0 mtr
No idea on how they last compared to marine equivalent I'm afraid, I assume they won't last the same though if I was a betting man.
Edit...it is no more or less suitable than welding cable if that is being considered, only reason I mentioned it. I would personally buy marine cable for wiring an outboard but to each their own.
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16 May 2017, 23:09
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#15
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Member
Country: UK - England
Town: Wild West
Boat name: No Boat
Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 5,306
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Quote:
Originally Posted by Pikey Dave
Are they tinned strand?
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Debatable benifits of Tinned cable of that size/diameter IMO PD...
and welding cable is very High grade/high conductivity ..it generally comes with a much thicker more robust Plastic covering too 
Used it for years..nice to beat the "Marine Premium" Pirates too 
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A clever Man learns by his mistakes..
A Wise Man learns by other people's!
The Road to HELL ..is Paved with "Good inventions!"
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16 May 2017, 23:17
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#16
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Member
Country: UK - Wales
Town: Cardiff
Length: no boat
Join Date: Aug 2014
Posts: 2,018
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Quote:
Originally Posted by Pikey Dave
They definitely won't be tinned & unlikely to be stranded. Wrong cable for the job.
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I doubt they are solid....... interested as to why they are "wrong" though
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16 May 2017, 23:20
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#17
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Member
Join Date: Jun 2010
Posts: 2,934
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Good to know welding cable has held up for you maximus, I'll see how mines hold up. Not fair comparison perhaps as mines is to power this thing to car so not living in water like an outboard.
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16 May 2017, 23:33
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#18
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Member
Country: UK - Scotland
Town: north ayrshire
Boat name: charlie girl
Make: S/R5.4/regal3760
Length: 10m +
Engine: Suzukidf70 2x6lp 315
Join Date: Jul 2009
Posts: 4,031
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I've used welding cables an a few boats with no ill effects currently 15 years old on our 3.8m rib and still going strong
I always solder and let the solder flow up the cable a little then tape up the sheath to the terminal to stop water ingress
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17 May 2017, 09:18
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#19
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Member
Country: UK - England
Town: Wild West
Boat name: No Boat
Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 5,306
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Quote:
Originally Posted by Xk59D
Good to know welding cable has held up for you maximus, I'll see how mines hold up. Not fair comparison perhaps as mines is to power this thing to car so not living in water like an outboard.
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Looking at the pic,You a Motorhomer Mate?.....Does Seem a good way to go at a certain time of life 
__________________
A clever Man learns by his mistakes..
A Wise Man learns by other people's!
The Road to HELL ..is Paved with "Good inventions!"
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17 May 2017, 09:42
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#20
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Member
Country: UK - England
Town: South Yorks
Boat name: Black Pig
Make: Ribcraft
Length: 5m +
Engine: DF140a
MMSI: 235111389
Join Date: Feb 2008
Posts: 12,180
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Welding cable is fine, all the welding cables I've made up over the years have been stranded & tinned. Stranded cables are much more flexible & are less prone to fractures in the cores. Solid strand cables aren't designed for applications that involve movement or vibration, the copper cores will work harden & fracture over time. Welding cable gets chucked about & abused as part of its job description, no problem[emoji106]. When I refer to solid strand cables, I'm not on about a single solid core, I refer to the make up of the cable. The 50mm jump leads might comprise of 20x2.5mm strands, where as a 50mm "flexible" welding/ battery cable might be made up of 100x0.5mm strands. This makes for a much more supple cable that is easier to route & more robust.
Personally I wouldn't let non-tinned cable near to my boat, but each to their own, the difference in price is negligible in the big scheme of things.
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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
Rule#4: Don't feed the troll
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BLACK PIG
Piglet
breezy
