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Message: <blockquote data-quote="quackhead" data-source="post: 7901636" data-attributes="member: 573547">actually, 4 ga is almost 2x as big as 8ga. You would run 2ga or 4ga back to a distro block and 8 ga to the amps(or the largest they accept). And yes, a fuse within a foot of the battery is essential. Figure up what both amps require and fuse accordingly. Then you will have to fuse again between the distro block and amp(unless the distro has fuses) using the appropriate fuse for that amp.so, are you saying you have a 400w 4ch amp wired to a fuse panel and no inline fuse?? I have seen a few jake leg installs, but not one like that in 20 years..lucky your car has not burned slap to the ground....saw that happen about 20 yrs ago to a guy who wired up using 8ga wired to the battery and no fuse..the wire shorted under the carpet and caught the car on fire.</blockquote>

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