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Gtir Motorsport club » Tech room » Help and Advice » Power cable

Power cable

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1Power cable  Empty Power cable on 17th May 2015, 10:27 pm

gtir_woody

gtir_woody
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moderator
So I'm running a 0 gauge cable from the battery in the boot to the front of the car. I cut some of it yesterday to redo a section and there is a fine layer of green crap between the insulation and the copper core, looks like oxidation or something. Any idea, is it bad? The power cable is that red transparent cable see you on amps etc.

Id take a photo but my phone is rooted.

2Power cable  Empty Re: Power cable on 17th May 2015, 10:40 pm

nomad

nomad
Admin
Admin
I would say dont worry to much although its not great but its not going to rot out all copper core oxidises to some degree its the nature of the material ....
you cant take pictures because you rooted your phone .... that dont sound right somehow rooting should still be able to use camera function ???


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3Power cable  Empty Re: Power cable on 17th May 2015, 11:57 pm

gtir_woody

gtir_woody
moderator
moderator
Thanks Leighton, I wasn't sure and hadnt seen it before, thought I might have been using the wrong type of cable or something. Haha no I meant my phone is fooked Laughing

4Power cable  Empty Re: Power cable on 18th May 2015, 9:58 am

gtir_woody

gtir_woody
moderator
moderator
I was thinking of using a circuit breaker rather than a battery isolation switch this time around. Anyone used them before? I was going to use a 100amp but think I'll need to do some maths to confirm.

Power cable  Image

5Power cable  Empty Re: Power cable on 18th May 2015, 10:45 am

johnny gtir

johnny gtir
moderator
moderator
Same as fusing it good idea but would not like it to trip or blow at high speed

6Power cable  Empty Re: Power cable on 18th May 2015, 10:47 am

gtir_woody

gtir_woody
moderator
moderator
I had actually thought about that, could end up a bad situation

7Power cable  Empty Re: Power cable on 18th May 2015, 10:57 am

johnny gtir

johnny gtir
moderator
moderator
In theory it should not unless there is a problem. I do know the cheap ones of these type if you hit bumps in the road trip off. I think there more suited to sound systems. Hope this helps or is food for thought mate

8Power cable  Empty Re: Power cable on 18th May 2015, 11:37 am

Indy


If in the future wood you decide to change your power cable try and replace it with an oxygen free cable they are a wee bit more pricey but it will prevent oxidation of the copper especially if you are to route it from the outside and under the car.

Another think to do while your at it is replace the major + cables ie the ones going to alternator and starter

Hope this help a wee bit

9Power cable  Empty Re: Power cable on 18th May 2015, 12:01 pm

Stu

Stu
Admin
Admin
@gtir_woody wrote:I was thinking of using a circuit breaker rather than a battery isolation switch this time around. Anyone used them before? I was going to use a 100amp but think I'll need to do some maths to confirm.

Power cable  Image
Thats the one I have used Smile


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10Power cable  Empty Re: Power cable on 18th May 2015, 8:50 pm

gtir_woody

gtir_woody
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moderator
Thanks for the advice lads. I just need to make sure it's the right amp so I don't run into any problems like Johnny pointed out but they are a good idea.

I just replaced the starter motor cable Indy Smile

Was yours the 100amp Mr Stu?

11Power cable  Empty Re: Power cable on 18th May 2015, 11:22 pm

Stu

Stu
Admin
Admin
@gtir_woody wrote:Thanks for the advice lads. I just need to make sure it's the right amp so I don't run into any problems like Johnny pointed out but they are a good idea.

I just replaced the starter motor cable Indy Smile

Was yours the 100amp Mr Stu?
Not sure. Will look tomorrow.


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12Power cable  Empty Re: Power cable on 19th May 2015, 12:10 am

gtir_woody

gtir_woody
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moderator
Thanks Stu Smile

13Power cable  Empty Re: Power cable on 19th May 2015, 7:06 am

nomad

nomad
Admin
Admin
Could you pop up the link to it aswell .... Wink


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14Power cable  Empty Re: Power cable on 19th May 2015, 7:22 am

gtir_woody

gtir_woody
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http://pages.ebay.com/link/?nav=item.view&alt=web&id=291463003515

15Power cable  Empty Re: Power cable on 19th May 2015, 7:30 am

gtir_woody

gtir_woody
moderator
moderator
At least if it trips under heavy load you can reset it unlike a normal in line fuse, car would still be driveable that way. Undecided about one at this stage.

16Power cable  Empty Re: Power cable on 19th May 2015, 5:21 pm

Stu

Stu
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Admin
Here's mine.
Power cable  2015-05-19%2018.19.43_zpsnv4xbfzv


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17Power cable  Empty Re: Power cable on 19th May 2015, 5:31 pm

gtir_woody

gtir_woody
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Thanks Stu, so you are using a 200amp

18Power cable  Empty Re: Power cable on 19th May 2015, 5:32 pm

Stu

Stu
Admin
Admin
Yes mate. Not sure if I had reason to or just bought what someone advised... I did it 5 years ago lol


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19Power cable  Empty Re: Power cable on 20th May 2015, 1:15 am

ducie54

ducie54
The circuit breaker is to protect your wire so should be rated less than the wire max load. The biggest load from the battery is from your starter motor during cranking.

Have a look at OEX battery and starter wire.

20Power cable  Empty Re: Power cable on 20th May 2015, 2:15 am

gtir_woody

gtir_woody
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moderator
Thanks Nigel, I'll check them out.

21Power cable  Empty Re: Power cable on 7th June 2015, 9:35 pm

gtir_woody

gtir_woody
moderator
moderator
This is what I was talking about in regards to the cable.

Power cable  Image

22Power cable  Empty Re: Power cable on 7th June 2015, 10:32 pm

Indy


That looks like a oxygen free cable just cut the corroded bit off and strip the end you can put some sort of conductive gel to keep it from oxidising befor connection it will be fine

23Power cable  Empty Re: Power cable on 8th June 2015, 5:23 am

gtir_woody

gtir_woody
moderator
moderator
Thanks mate, it's actually like that throughout the cable not just the end but not as bad. Apparently it isn't a big deal from what I've been told.

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