Or you could just use thicker wires like everyone else, or drop the use of ring mains, which is the actual reason why fuses in plugs were introduced. The reason why this was done was post-WW2 copper shortage. In other countries you'll see more likely star type circuit

Are you really going to change the fuse in the receptacle when you plug a different cable in?

Low amp rated extension cords are dangerous unless they have a fuse in the cable. Best practice is to always use a cable that is rated higher than the circuit breakers.