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Wrong wire sizes?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=139289
Printed Date: April 28, 2024 at 1:46 PM


Topic: Wrong wire sizes?

Posted By: radarcontact
Subject: Wrong wire sizes?
Date Posted: August 10, 2015 at 7:51 AM

Instead of describing my situation, can someone who knows this stuff just hook me up with an answer?

I have two amps,
MB Quart new age class-d Reference RA1500.1 (fused 2x60a)
MB Quart old school a/b NANO NSC475 (fused 2x30a for 4ohms)

I want to rerun my wiring to them as such:
One power and one ground to fused distro boxes, then branched to each amp.

QUESTION: what sized wires and fuses? (I also have the main battery fuse within a foot of the battery)

My manuals talk about cross-sections of the diameter of the wires vs ga recommendations.

Thanks!
Radar

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RadarContact



Replies:

Posted By: DYohn
Date Posted: August 17, 2015 at 12:44 PM
2 X 60 = 120 amps. 2 x 30 = 60 amps. 120 + 60 = 180. Main power for 180 amps = 2 AWG.

https://www.the12volt.com/wiring/recwirsz.asp

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