What is an ‘RCD’? An advantage of having an Electrician fit a new 17th edition consumer unit is a safety device, fitted within the unit, called a ‘Residual current device’ (RCD). An RCD is a safety device that automatically switches off the electricity if there is a fault. It’s...

 Your Fuse Box or more modern Consumer Unit is the origin of all the electrical circuits within your home. Usually this would be located next to or near to your Electricity meter and the incoming supply cable.  Sometimes this may be outside in a meter...