Adding a fuse and and a proper power cable with a ground prong is one of the simplest 1280 projects to undertake.
The ideal upgrade would have been to be able to install an IEC plug with a built in fuse, but unfortunately there is not enough room on the console chassis for this.
The ideal location is next to the serial number tag.
This is what the location looks like from the inside.
There is enough room, but the pcb board that receives and distributes the AC power into the console needs to be cut.
When you complete the minor surgery your console should look something like this.