Your fuse board (or consumer unit, if you want the technical name) is the brain of every electrical system in your home. It decides what's safe and what's not — every appliance, every socket, every light. And if yours was installed before the early 2000s, there's a real chance it's no longer up to the job. We replace consumer units across Wrexham every week. Most of the time, the homeowner had no idea anything was wrong — until something tripped, smelled funny, or stopped wor