Start by deciding whether the situation is urgent
A burning smell, heat damage, exposed wiring or water affecting electrics needs a prompt safety conversation. Keep away from suspect equipment. If there is a fire or immediate danger to life, get out, stay out and call 999.
If neighbouring properties are also without power, the problem may be on the electricity network. Contact the network on 105. An electrician working inside your property cannot restore a public-network fault.
Describe what you notice during normal use
Describe what you notice during normal use
Write down which rooms, sockets or lights stop working and roughly when the problem happens. A fault that appears only during cooking, after rain or when a particular room is used provides a useful pattern for the first discussion.
Do not remove the consumer-unit cover or touch wiring to gather information. A photograph of the closed board can be useful if it can be taken safely. You do not need to name the protective device or identify the cause yourself.
Several different problems can look like the same trip
Several different problems can look like the same trip
A faulty appliance, moisture, a damaged cable, a connection problem or another installation defect may produce similar symptoms. The circuit and connected equipment need to be considered together.
Replacing a breaker or increasing its rating without understanding the fault is not a diagnosis. A protective device may be doing exactly what it is intended to do. The investigation should establish why it is operating.
Agree the investigation before agreeing the repair
Agree the investigation before agreeing the repair
Ask what the initial fault-finding visit covers and how diagnostic time is charged. Some faults are straightforward to locate; intermittent problems may take longer or require a further visit.
Once a cause is identified, the electrician should explain the findings and the proposed repair. If the fault cannot be reproduced, that uncertainty should remain visible rather than being described as a completed fix.
Keep a record of what was found
Keep a record of what was found
Ask which part of the installation was affected, what work was completed and whether anything remains to be investigated. Where installation work needs certification, keep the appropriate record.
If you contact PB Electrical, tell us your postcode, the affected areas and the pattern you have noticed. Call for urgent concerns; a routine message may not be read immediately.
Questions answered
Why does my fuse box trip even when nothing seems to be switched on?
Some equipment remains connected or runs automatically, and a wiring or connection fault is also possible. The pattern alone cannot confirm the cause. Note which areas lose power and arrange investigation; leave the consumer-unit cover in place and do not repeatedly reset the device.
Ask Max about thisCan one faulty appliance trip more than one room?
Rooms can share a circuit or protective arrangement, so the area that loses power does not always identify the faulty item. Tell the electrician which rooms and equipment are affected together. Test results and the circuit arrangement are needed before choosing a repair.
Ask Max about thisDoes a circuit breaker that keeps tripping need replacing?
A protective device may be responding correctly to a fault elsewhere. Replacing it or increasing its rating without establishing the cause can leave the problem unresolved. Request fault finding and describe the symptoms, any recent work and the times the trip normally happens.
Ask Max about thisIs a tripping circuit urgent if there is a burning smell?
Yes, stop using the affected equipment, keep away and call for urgent advice. Do not touch damaged fittings or approach exposed wiring to investigate. If there is a fire or immediate danger to life, get out, stay out and call 999 instead of using an online enquiry.
Ask Max about thisWhy does the power trip when I use the oven?
The oven, its connection or the circuit supplying it may need investigation. The trip alone does not establish which part is faulty. Tell the electrician when it happens during normal use and what else loses power. Do not repeatedly operate suspect equipment to reproduce the problem.
Ask Max about thisCheck the original guidance.
These sources explain the relevant requirements. The condition and scope of your own installation still need assessment.
- National Grid: power cuts
- GOV.UK: fire safety in the home
- Electrical Safety First: electrical installation condition reports
Guidance reviewed 24 October 2026.
