Electricity powers nearly every aspect of modern life, from lighting your home to running essential appliances. But electrical problems can appear unexpectedly, leading to higher bills, inconvenience, or serious safety hazards.
By recognising early warning signs, you can address issues before they escalate into costly repairs or dangerous situations.
10 Common Electrical Problems & Warning Signs
Here are some common electrical issues that should be addressed:
1. Flickering or Dimming Lights
It is caused generally due to loose connections, an overloaded circuit, or a faulty electrical panel. If flickering is persistent across several fittings, it can be an indication of more profound wiring problems.
Reference: BS 7671:2018+A2:2022, Reg. 314.1 (division of installation to avoid hazards).
2. Frequent Tripping of Circuit Breakers
Circuit breakers are designed to trip and protect wiring from overload or faults. Regular tripping suggests overloaded circuits, short circuits, or defective breakers.
Reference: BS 7671, Reg. 433.1 (protection against overload).
3. Electric Shocks from Appliances or Outlets
Even minor shocks point to faulty wiring or grounding problems, which are serious safety risks. Call an electrician immediately.
Reference: BS 7671, Reg. 411.3.1.1 (basic protection by earthing).
4. Power Surges
Uncontrolled voltage spikes due to lightning, grid switching, or defective appliances may damage sensitive electronics. Use surge protection devices (SPDs).
Reference: BS 7671, Reg. 443.4 (overvoltage protection).
5. Dead Outlets or Switches
It can cause by tripped breakers, faulty GFCI/RCD protection, or damaged wiring. Persistent faults require inspection.
6. Burning Smell or Sparks
Smells of burning or visible sparks suggest insulation damage or short circuits. Power should be turned off immediately.
Reference: BS 7671, Reg. 421.1.1 (protection against fire caused by electrical equipment).
7. High Electricity Bills Without Increased Usage
Sudden unexplained spikes can be due to faulty wiring, electricity leakage, or ageing systems. An electrical energy audit can help.
8. Buzzing or Crackling Sounds from Switches/Outlets
This indicates arcing across loose wires. This creates heat and a potential fire hazard.
9. Warm or Hot Outlets and Switch Plates
Consistent heat means poor connections or overload. Overheating can lead to fire.
10. Light Bulbs Burning Out Frequently
This occurs frequently due to incorrect wattage, weak insulation in fittings, or unstable supply due to poor wiring.
How ET&T Safeguards Homes & Businesses
Electrical Test & Trace Ltd offers expert and affordable services across East London and Essex. Our focus is safety, efficiency, and compliance.
We help customers by:
- Electrical testing & inspection (EICRs, PAT, fault finding)
- Remedial works to correct problems found
- Full/partial rewiring & consumer unit upgrades
- Preventative maintenance to stop issues before they happen
- 24/7 emergency call-outs
- Free quotes & tailored professional advice
All work is done to BS 7671:2018+A2:2022 (18th Edition Wiring Regulations) and relevant UK safety legislation (Electricity at Work Regulations 1989, Health & Safety at Work Act 1974).
With ET&T, you have the assurance that your electrics are safe, compliant, and future-proof.
For advice or free quotes, contact ET&T today.

