Power cutting out intermittently can indicate loose connections or problems with the electrical supply. These faults often worsen over time if left unresolved.
Common Reasons Power Keeps Cutting Out
Intermittent power issues are usually caused by unstable connections.
- Loose connections in the consumer unit
- Faulty circuit breaker or RCD
- Overloaded circuits
- Incoming supply problems
- Damaged cables
Safe Checks You Can Carry Out
- Note when power cuts out and what appliances are running
- Check whether neighbours are affected
- Look for tripped breakers or RCDs
- Avoid repeatedly resetting devices
For a full list of tools you can use, see our guide on best electrical tools for homeowners.
When to Call an Electrician
Intermittent faults can be dangerous if ignored.
- Power cuts out frequently
- Lights dim before power loss
- Buzzing or crackling sounds are heard
- Multiple circuits are affected
Need an Electrician?
If this issue keeps happening or you’re unsure what’s causing it, a qualified electrician can safely diagnose and fix the problem. Electrical faults can worsen over time, so it’s best to get professional advice rather than risk damage or injury.
If you’re dealing with recurring faults or safety concerns, it may help to speak with a local electrician who can assess the issue properly.
UK Electrical Safety Advice
Electrical faults can be dangerous. If you are unsure, always seek advice from a qualified electrician. This guidance is for general information only and does not replace a professional inspection.
For general guidance on household electrics, see our electrical advice for UK homes.
Related electrical problems
This issue is one of several common electrical problems found in UK homes. You can view other related electrical faults on our Common Electrical Problems (UK) page.