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What Fuse Size To Use


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Okay, I'm ruining a run Knukonceptz KCA Kable (CCA) from my battery in the front to the back and was wondering what size of fuse to use. The wire is rated at 250amps. It will then go into a distribution block that will step it down to 5 runs of 8 gauge. What size fuse would I use for the 8 gauge?

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What brand 8awg? Knu doesn't make that type of 8 gauge

Edited by hdorre
On 5/8/2011 at 7:38 PM, Kranny said:
On 5/8/2011 at 7:35 PM, 'Maxim' said:

It hurts me inside when I read stuff like this and remember you're 15

LMFAO so true

:blush:

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What fuse rating is your amp? Combine the amperage ratings from all the amps your going to run....and that will be the size fuse you will need from the battery.

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What brand 8awg? Knu doesn't make that type of 8 gauge

I didn't think it mattered. I don`t know yet... thinking of getting Knu 8gauge amp kit (here)

Click Links To View Build Logs

1994 - Mazda B3000 (Daily/Toy/Show)

2002 - Mazda Protege (Daily)

1995 - Hyundai Accent (R.I.P.)

1984 - Bronco II (Restoration Project)

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What fuse rating is your amp? Combine the amperage ratings from all the amps your going to run....and that will be the size fuse you will need from the battery.

No, the wire determines the fuse size. Current draw does determine how many necessary runs though.

On 5/8/2011 at 7:38 PM, Kranny said:
On 5/8/2011 at 7:35 PM, 'Maxim' said:

It hurts me inside when I read stuff like this and remember you're 15

LMFAO so true

:blush:

Mitsubishi 3000GT (Old Build)

Headunit: Pioneer 80PRS

Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids

Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies

Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s

Electrical :Singer 260A Alt & JY Power Lithium

 

2005 Chevy Colorado Ext Cab

Headunit: Pioneer 80PRS

Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms

Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s

Electrical: Singer "390" and JY Power

My Official Feedback Thread

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What brand 8awg? Knu doesn't make that type of 8 gauge

I didn't think it mattered. I don`t know yet... thinking of getting Knu 8gauge amp kit (here)

yep, it does matter because one brand may inflate the rating. The wire could actually be 10awg.

You don't have to worry about that with Knu though. On the site, it says to use 60a fuses.

On 5/8/2011 at 7:38 PM, Kranny said:
On 5/8/2011 at 7:35 PM, 'Maxim' said:

It hurts me inside when I read stuff like this and remember you're 15

LMFAO so true

:blush:

Mitsubishi 3000GT (Old Build)

Headunit: Pioneer 80PRS

Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids

Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies

Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s

Electrical :Singer 260A Alt & JY Power Lithium

 

2005 Chevy Colorado Ext Cab

Headunit: Pioneer 80PRS

Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms

Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s

Electrical: Singer "390" and JY Power

My Official Feedback Thread

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What fuse rating is your amp? Combine the amperage ratings from all the amps your going to run....and that will be the size fuse you will need from the battery.

No, the wire determines the fuse size. Current draw does determine how many necessary runs though.

? He asked what size fuse...the combined amperage of your amps (if your using multiple amps) is the size fuse you use.

Edited by azagtoth502

  • pa-pa-platypus

  • sorry not everybody has a companies nuts so far down their throat they catch every drop ball sweat when it falls

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If the 0 gauge is rated for 250 then fuse it at 250 or just below. That way the fuse blows before the wire melts and sets your car on fire. :peepwall:

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