Fuse board in bathroom | ElectriciansForums Apr 03, 2012Hi Just popped round to a 1st floor flat that wants their electric shower changed. i was in the bathroom (which as one metre from edge of bath to opposite wall) and aske dto see the fuse board the tennant reached up and opened a cupboard to show the incoming cable (piro) meter and fuse board. How to Wire an Outlet and Add an Electrical Outlet | The Codes also limit the number of wires that can enter an electrical box or electrical receptacle, depending on the inside volume of the box and the gauge of the wires. The outlet-addition methods we show here are based on the most common wiring (14-gauge wire on a 15-amp circuit) and an 18-cu.-in. box (typical inside dimensions are about 2-in. x Electricity is Off but Circuit Breaker Is Not Tripped This phenomena can occur in homes that use GFCI (Ground Fault Circuit Interrupter) outlets. The GFCI outlet (sometimes also called a GFI) is like a circuit breaker and can shut off the flow of electricity to the outlet and all outlets, lights and hard-wired electrical devices downstream of the outlet.