EV Charger Tripping Electrics
The home electrics trip whenever the EV charger starts or during a charging session.
What Is Causing This?
- 1Earth fault in the charger or cable
- 2MCB or RCD undersized for the charging load
- 3Faulty charger unit causing a short
How Urgent Is This?
This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.
What Needs to Be Done
An EV charger installer will test the charger's earth leakage, check the dedicated circuit protection, and repair or replace the faulty component.
How Much Will It Cost?
National average estimate
Labour: £417 – £1,367 | Materials: £567 – £2,367
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Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.
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Ask a QuestionHow to Prevent This
Have the charger installed on a dedicated circuit with correct protection. Have it serviced annually. Do not use extension cables with EV chargers.
Related Problems
Other EV Charger Installer Problems
The EV charger does not start a charging session, shows an error, or the car does not recognise it.
The car is charging much slower than expected, taking many hours longer than the charger's rated speed.
The EV charger unit displaying a red or amber error light, with charging not starting.
The charger's smartphone app cannot connect to the unit, preventing remote control or scheduling.