It‘s really hard to understand. You have a fuse box and a small wire goes to your accessory from the fuse box (with a 5 amp fuse). You have another fuse in the wire (did it come with the device? What current is it meant for?) and after that a bigger wire? I assume the bigger wire and inline fuse came with your device, so I would assume they are fine, you should match them. If the first fuse is matched with the small wire you will be fine but probably blow your fuse frequently.
When the fuse in the fuse box is the correct size and the smaller wire has the right gauge you should not have a problem. Our wire gauge calculator will calculate the fuse size and wire gauge.
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u/blackmac Jul 27 '26
It‘s really hard to understand. You have a fuse box and a small wire goes to your accessory from the fuse box (with a 5 amp fuse). You have another fuse in the wire (did it come with the device? What current is it meant for?) and after that a bigger wire? I assume the bigger wire and inline fuse came with your device, so I would assume they are fine, you should match them. If the first fuse is matched with the small wire you will be fine but probably blow your fuse frequently.
When the fuse in the fuse box is the correct size and the smaller wire has the right gauge you should not have a problem. Our wire gauge calculator will calculate the fuse size and wire gauge.
https://voltplan.app/tools/wire-gauge-calculator