Tripping & Circuit Breakers

Your RCD keeps tripping and cutting power to multiple circuits. This guide covers every common cause — from faulty appliances and moisture to wiring faults and nuisance tripping — plus exactly what to do about it.

Typical fix £100–£300

Your RCD trips during the night, and you wake up to find the power off.

Typical fix £100–£250

Your electrics trip whenever it rains, suggesting water is getting into your electrical installation.

Typical fix £120–£300

A circuit breaker in your consumer unit keeps tripping, cutting power to part of your home.

Typical fix £80–£200

A trip switch in your consumer unit will not stay in the on position no matter what you try.

Typical fix £100–£300

A fuse in your fuse box or a plug fuse keeps blowing and needs replacing repeatedly.

Typical fix £80–£200

Your consumer unit trips even when no appliances are plugged in, pointing to a fault in the fixed wiring.

Typical fix £120–£300

A trip switch in your consumer unit goes off at random times with no obvious pattern.

Typical fix £100–£250

A specific MCB (Miniature Circuit Breaker) in your consumer unit keeps tripping off.

Typical fix £80–£200

An RCBO in your consumer unit keeps tripping, cutting power to a single circuit.

Typical fix £100–£250

Your electrics trip the moment you plug in a specific appliance or device.

Typical fix £80–£180

The circuit supplying power upstairs keeps tripping, leaving the upstairs without electricity.

Typical fix £100–£250

The circuit supplying power downstairs keeps tripping, leaving the ground floor without electricity.

Typical fix £100–£250

Your lighting circuit keeps tripping, plunging rooms into darkness.

Typical fix £80–£200