Electrical problem guide
Trip switch or RCD keeps tripping in London
Trip switch or RCD keeps tripping? Here's what it usually means — and how we help across London.
Trip switch or RCD keeps tripping - London EICR electrician
Same-day bookings are usually possible, depending on availability. If your fuse box keeps tripping, you need to know what a visit covers before booking: identifying the device that's operating, narrowing down the affected circuits and deciding what needs isolating or repairing.
Maybe the breaker trips when you plug something in. Or the electric cuts out every few hours and you can't see a pattern. An RCD that won't reset needs immediate attention, but intermittent trips need investigating too.
What it might mean
A faulty appliance could be leaking current to earth, particularly if trips happen while the kettle or washing machine is running. Trips during rain could point to moisture in a garden circuit, light fitting or junction. Useful clues, but testing needs to confirm the cause.
Several circuits sharing an RCD might have enough background earth leakage between them to trigger it. A deteriorating cable or accessory could also be developing an earth fault. A borrowed neutral between circuits may be involved too.
Converted flats in East London and South West London can contain wiring altered over decades. Mixed-age installations are familiar territory from our years of testing across London, but the property's age doesn't tell you what's causing today's trips.
How urgent is it?
Treat repeated RCD tripping as a same-day problem. The protective device is responding to a fault condition; getting it back on doesn't establish that the underlying issue has gone away. Repeated interruptions can cut supplies to fridges, freezers and medical equipment.
If it won't reset at all, or anything smells hot, treat that as an emergency and call an electrician immediately. Stop attempting resets. If it resets and nothing smells hot, request a same-day appointment; don't wait days just because the power's back.
What you can safely check
Provided nothing smells hot and it's safe to do so, unplug everything on the affected circuits, then try resetting the RCD. If it stays on, reconnect appliances individually, watching for a trip. Leave any suspect appliance unplugged. If it trips again or refuses to reset, stop and arrange professional help.
Note the weather, the appliance in use and the time it happens. That pattern helps shorten the diagnosis, especially when the electric only trips occasionally.
Never hold an RCD on, tape it up or fit a higher-rated device to stop it operating. Bypassing protection leaves the possible shock or fire hazard in place. These checks stop at plugs and normal switches; investigating wiring faults needs an electrician.
What we check
We establish exactly which device is tripping and which circuits it protects. Then we split the loads and isolate circuits separately to localise the problem. Insulation resistance tests and measurements of standing earth leakage help distinguish between a suspect appliance, accessory and cable.
Our experience with converted houses and older boards helps guide the investigation. But the measurements have to support the diagnosis - guessing from the consumer unit's appearance isn't enough.
If you're searching for EICR London after repeated trips, explain what's happening before booking. EICR testing assesses your fixed installation and produces an electrical installation condition report; the fault also needs tracing and any repair needs checking.
How it's fixed
The repair follows the findings. We can trace and repair an earth fault or faulty accessory through fi investigations & fault finding. Where urgent isolation is needed, making the affected installation safe comes first, followed by tracing the fault.
If testing confirms cumulative leakage across shared circuits, individual RCBO protection may be appropriate. Giving each circuit its own protection can reduce the chance of a fault cutting several circuits off together. It won't repair a deteriorating cable or faulty appliance, so we establish the cause before recommending an upgrade.
After the repair, we test it. Repair and upgrade work is quoted separately, with free, no-obligation quotes for that work.
Call now if it won't reset
An RCD that stays down, or anything that smells hot, needs immediate electrical attention. For repeated trips that reset, request a visit today and check same-day availability. Restoring power isn't evidence that the fault has been repaired.
Need an EICR for repeated trips?
Call to book an EICR in London and ask about attendance today, with the appointment depending on availability. Explain what's been tripping at your North London property, including any link to rain or appliances, so we can discuss the investigation needed alongside your inspection. You'll receive your report by email as a PDF, and the EICR price is fixed before attendance.
Get your tripping electrics checked
Arrange EICR testing today and ask which same-day appointments can be booked for your West London address. We'll confirm the booking options and email your completed EICR as a PDF after the inspection. If the switch refuses to reset or there's a hot smell, make that clear when you call - an electrician needs to isolate the problem and make the installation safe first.