Is It Safe to Install a Fuse Close to the Negative Terminal in a DC Circuit?

Hello all,

I understand that in DC circuit, normally a fuse is installed closed to the positive terminal, while the rest are installed closed to the negative terminal.

However someone in my company do it in a reverse way: the fuse closed to the negative terminal and the relay closed to the positive terminal (don't ask me why: I have no control how they do the installation)

I know that in reality, electron flow from negative to positive. The "current" we refer daily is indeed not in correct direction.

Can I say that the fuse closed to the negative terminal is thus giving protection? Thanks x1000

{fuse}

The fuse will protect the circuit from over-current conditions. The current flows in a loop and the fuse can theoretically be anywhere in that loop.

However, if the negative terminal is tied to the local earth, a fused negative will not protect people who come in contact with the positive side. If the negative side is floating this is not an issue.