Need to Replace a Fuse Box? Check Out This Price Guide Are you looking to replace a fuse box? Want to know how much does it should cost and what is a fair price to pay an electrician? We can help – we have been researching prices charged by electricians in the United Kingdom for nearly two years – that’s the point of this site. UK Power Networks - What’s a cut-out? A cut-out is a piece of electrical equipment that forms the link between our electricity cable and the internal wires in your property. It marks where our electricity network ends and your internal wiring starts.