Is this a good way to wire things?

Here is what I would use. It’s a auto reset and can be found in Walmart sporting goods in the boating stuff. Or a auto parts store. Use a 6 inch piece of the same wire going to fuse block from breaker to positive post on battery.
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Originally Posted by 10point

This may seem like dumb question but hey I'm an accountant. I only one run one positive and one negative wire to the fuse block correct? Do those wires need an inline fuse or is the fuse block providing that purpose? I ordered the fuse block suggested above this morning.

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Ideally you would want a main circuit breaker/fuse close to the battery, in addition to the fuse block that you ordered.

I have a switch on my boat that cuts power to everything except motor and automatic bulge pump many circuit breakers have a switch on them as many electronics will still pull juice if shut down.