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Topic Review (Newest First)
02-26-2013 09:56 PM
CRYPTICgamer88
Re: Knu Wire or this Welding cable

so MR. IT guy you should go to my thread about battery relocation on this forum give me ur insight
02-26-2013 09:55 PM
CRYPTICgamer88
Re: Knu Wire or this Welding cable

lol i take it as a bleesing to be corrected.. thank you
02-26-2013 09:55 PM
97_eldo
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by KingPen View Post
Haha. Remember that post from an hour ago about electrical interference from the highs? That's caused by the skin effect that you just referenced and only applies to high frequency ac current. Lower frequency actually travels though the core in question lol. Good thinking though lol.
never mind....wrong thoughts
02-26-2013 09:45 PM
KingPen
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by CRYPTICgamer88 View Post
well kingpen i alway thought that an electrical signal travles threw the surface area of the wire.. thus meaning way more surface area in the 5145 strands of ofc which in turn gives you a better power transfer.. um maybe im wrong just my thoughts... and also more strands more flexibility and easier install.. just my .02cents..
Haha. Remember that post from an hour ago about electrical interference from the highs? That's caused by the skin effect that you just referenced and only applies to high frequency ac current. Lower frequency actually travels though the core and this is dc in question lol. Good thinking though lol.
02-26-2013 08:48 PM
CRYPTICgamer88
Re: Knu Wire or this Welding cable

well kingpen i alway thought that an electrical signal travles threw the surface area of the wire.. thus meaning way more surface area in the 5145 strands of ofc which in turn gives you a better power transfer.. um maybe im wrong just my thoughts... and also more strands more flexibility and easier install.. just my .02cents..
02-18-2013 05:56 PM
armykyle1
Re: Knu Wire or this Welding cable

this thread makes me want to punch a baby.


wait... eat a baby.
02-18-2013 05:55 PM
armykyle1
Re: Knu Wire or this Welding cable

waste your money on ofc then. I'm only using ofc on my amps.
02-18-2013 05:39 PM
Slobalt7
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by KingPen View Post
where did you find that?
A local company called AeroGas. It is a welding supply store. They had everything from 8G up to 0000 and it went into inch sizes from there to 3.5" thick. I don't know if the inch rating is the proper way to do it but apparently everything above 0000 they make in house.
02-18-2013 12:37 PM
onefast68
Re: Knu Wire or this Welding cable

i went with the wire you posted in the 1st post...fills the 1/0 connectors perfectly..i used 2 100ft rolls though.....same place sells it for 220shipped for a 100ft roll.
02-18-2013 08:00 AM
97_eldo
Re: Knu Wire or this Welding cable

were the cost the same or removed as a factor copper is a better conductor.
02-18-2013 07:08 AM
KingPen
Re: Knu Wire or this Welding cable

see the direct comparison between those two is probably pretty close. Without doing the math I would say the high copper content + the added diameter would make the cca only 10% +/- capable as the ofc. That doesn't mean you can't get thicker ofc for less $ though.
02-18-2013 12:11 AM
Squeezumz
Re: Knu Wire or this Welding cable

Not as a suggestion for you to use but do you think this is much better than CCA? Not price wise just the claimed ampacity on it is the same as the OFC from them.

AudioTechnix 30% OFC instead of 10-20% and 11.5mm outside diameter --> 415 sq mm

AudioTechnix OFC 10.2mm ouside diameter --> 325 sq mm
02-17-2013 11:16 PM
KingPen
Re: Knu Wire or this Welding cable

A lot lol. There will be up to 320 from the alt to the rear. So 2 1/0 runs should suffice. When starting it will be about 800 from rear to front. No starting battery. 2 2/0 will be plenty. Could get by with 1/0 but the 2/0 is cheap
02-17-2013 11:09 PM
97_eldo
Re: Knu Wire or this Welding cable

i have never been a fan of aluminum, removed alot out of homes....won't touch the stuff
if they want to keep the old i don't work on it.....simple
what is your estimated current draw gonna be?
02-17-2013 10:17 PM
KingPen
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by SINTORMAN View Post
I don't.. Go ofc or go home lol
Haha well it's an easy choice for me because I'd rather have 6 runs then 9
02-17-2013 10:01 PM
SINTORMAN
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by KingPen View Post
Kind of funny, the thread was really welding wire vs high dollar ofc.

I think everyone jumped on this because the way Pro worded things it sounded like he was saying CCA is a good alternative to OFC. The rest of us I think agree but wanted to point out that its not as cost effective as it looks on the surface. All in all I think everyone gets the point though.
I don't.. Go ofc or go home lol
02-17-2013 09:59 PM
KingPen
Re: Knu Wire or this Welding cable

Kind of funny, the thread was really welding wire vs high dollar ofc.

I think everyone jumped on this because the way Pro worded things it sounded like he was saying CCA is a good alternative to OFC. The rest of us I think agree but wanted to point out that its not as cost effective as it looks on the surface. All in all I think everyone gets the point though.
02-17-2013 09:54 PM
KingPen
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by profundus-sanus View Post
Wire Chart

the national electric code rates the conductivity of pure copper wire @ 25% better than copper clad aluminum.

not sure where your info was sourced.
I did the math. Happy to break it all down for you if you would like.

On 10% copper 90% alu it would be a 1:1.43 ratio
02-17-2013 07:22 PM
SINTORMAN
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by profundus-sanus View Post
yea that guy is running about 10x more current than should ever be ran through that wire.
so? The difference is still pretty noteworthy.

EDIT: I think the difference would still be as big. I would just take longer to achieve that heat.

EDIT: EDIT: where does he say in the video how much current is being drawn?
02-17-2013 07:21 PM
profundus-sanus
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by SINTORMAN View Post
Might change your mind about using cca

Wire comparison with thermal camera feat. Garry Springgay at Cogent Audio Labs - YouTube

Welding wire is not hard to work with.. kyle is just being a puss

Welding wire all the way man. and a properly done ofc electrical system should never corrode...
yea that guy is running about 10x more current than should ever be ran through that wire.

if you hit the point where the wire can barely handle the current it will heat. the more heat will increase resistance, therfor causing more heat. if he would have ran a normal amount of current(20a or so) you would have saw a marginal temp difference at best.
02-17-2013 07:16 PM
SINTORMAN
Re: Knu Wire or this Welding cable

Might change your mind about using cca

Wire comparison with thermal camera feat. Garry Springgay at Cogent Audio Labs - YouTube

Welding wire is not hard to work with.. kyle is just being a puss

Welding wire all the way man. and a properly done ofc electrical system should never corrode...
02-17-2013 06:55 PM
Beckerson1
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by profundus-sanus View Post
i just want to point out, nobody has argued that point one time in this entire thread. I've also made several statements proving thats true even.
As have I

Anyway not to derail the thread more then I have
02-17-2013 06:51 PM
Beckerson1
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by profundus-sanus View Post
please explain how its invalid?

I'm quite curious. 2 runs of cca is the same price(or less with some companies) than 1 run of ofc. Seems like a fair comparison.

As I stated in the second sentence its completely a true statement. Jumped the gun didn't edit.

Ya its fair when looking at price ALONE...


I can't speak for everyone around me. But when running 10K+. I see OFC most used as with this amount of power the inefficiency of CCA IS noticeable.


EDIT: Fixed post
02-17-2013 06:46 PM
profundus-sanus
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by Beckerson1 View Post
Its still less efficient then OFC.
i just want to point out, nobody has argued that point one time in this entire thread. I've also made several statements proving thats true even.
02-17-2013 06:43 PM
Beckerson1
Re: Knu Wire or this Welding cable

Quote:
Originally Posted by armykyle1 View Post
CCA is not all aluminum. That listed welding lead, looks like a low strand count like the one in the OP. Same thing applies to what I said before.

Kicker is probably my favorite wire too. Super flexible and tightly wrapped unlike a lot of wire now days. Knu is great, but it's pretty loose in the Jacket.

I've used welding lead one time. I won't do it again.
CCA isn't all Aluminum, that's correct, its a mix of aluminum and copper making it as Pro stated a better conductor then plain Aluminum. (depending on manufacture its usually between 10-20% copper mix)

Its still less efficient then OFC.
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