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Message: <blockquote data-quote="blackbonnie" data-source="post: 3382286" data-attributes="member: 573596"><p>so you not pulling anything over 150 amps to blow it, for people with high current applications it is needed. with 1/0 wire it usually can handle around 300-325 amps of current. so you fuse to the wire specs, which most people fuse 300amps, because the fuse will blow before the wire catches fire. now when you only have an amp pulling 125 amps, it is unneccesary to fuse that high because you will never come near to pulling 300 amps. so you fuse 150 amps, and your good. it will still blow way before the wire catches fire, and in some case may protect your amp to. but the fuse is used to protect the wire, and the fuses on the amps are used to protect the amp, but sometime the fuse that protects the wire will protect the amp, but it will never be the other way around</p></blockquote><p></p>

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