Why does my breaker keep tripping?

Why Your Breaker Keeps Tripping — Plain English Explanation Your consumer unit (fuse box) contains circuit breakers — small switches that automatically cut the power when something goes wrong. When one keeps tripping, it's doing exactly what it's designed to do: protecting your wiring and your home from damage or fire. The Three Main Reasons a Breaker Trips Overload — Too many appliances drawing power at once on the same circuit. This is the most common cause. A typical ring main is designed for a limited load, and plugging in too many high-wattage devices (heaters, kettles, tumble dryers) can exceed it. Short circuit — A live wire touches a neutral wire somewhere in your wiring or an appliance. This causes a sudden surge of current. The breaker trips almost instantly. Earth fault — A live wire touches an earthed surface. This can be inside a faulty appliance or damaged wiring in the wall. What You Can Safely Check Yourself 1. Identify which breaker is tripping — note the label (e.g. 'Ring Main Upstairs' or 'Kitchen Sockets'). 2. Unplug all appliances on that circuit. 3. Reset the breaker — push it firmly to the OFF position first, then back to ON. 4. If it stays on, plug appliances back in one at a time to find the faulty one. 5. If it trips immediately with nothing plugged in, the fault is in the wiring — stop and call an electrician. When to Call a Qualified Electrician The breaker trips with nothing connected Multiple breakers are tripping You notice burning smells, scorch marks, or buzzing from the consumer unit The breaker won't reset at all The problem has come back repeatedly over days or weeks Important: Never tape a breaker in the ON position, fit a larger breaker, or ignore a persistent trip. A qualified electrician registered with NICEIC, NAPIT, or ELECSA can safely diagnose the fault.