Quote:
Originally Posted by J-Mech
Well the fuse would protect against a device failure. So it would make a difference by protecting the router.
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No.
Fuses do not protect devices. They protect wires
from a device failure. Note that the only way to blow a fuse is to draw too much current. The only way for the router to draw too much current is for it to fail. A fuse cannot protect the router from itself.
A fuse might protect against the application of too high a voltage, but only if the device's power input was designed to survive overvoltage
and to draw lots of current in the process.