10 Common Signs Your Home Has Electrical Problems

Article summary
Worried about electrical safety at home? Discover 10 common warning signs of electrical problems, why they’re dangerous, and how early detection can prevent costly repairs and serious hazards.

10 Common Signs Your Home Has Electrical Problems
Electrical problems in your home can be more than just a nuisance; they can be extremely dangerous if you don't fix them. If you detect these problems early, you can avoid possible risks and repairs that cost a lot of money. We'll show you ten common signs that your home could have electrical problems and how you can get them fixed.
1. Lights that flicker or dim
If your lights flicker or dim without warning, it could mean that there is a problem with your electricity. A situation like this could happen when you use a microwave or air conditioner, which consume a lot of power. It could mean that your circuit is overloaded or that a connection is loose somewhere..
2. Circuit breakers that trip often
When there is an overload or short circuit, circuit breakers cut off the power to protect your home. If your circuit breaker trips a lot, it means that your electrical system is having trouble keeping up.
3. A burning smell or scorched outlets
If you smell burning near outlets or switches, this is a serious warning sign. It could mean that the wires are overheating, which can cause electrical fires. Another red flag that you shouldn't ignore is outlets that are scorched or discoloured.
4. Plugs and outlets that are warm or hot
When you touch an outlet or switch, it should never feel warm or hot. This could mean that the wiring is faulty or that the circuit is overloaded.
5. Buzzing or humming sounds
Electrical systems should operate silently. Listen for buzzing or humming sounds coming from your breaker box, outlets, or switches. This could mean that a connection is loose or the wiring is faulty.
6. Sparking when you plug things in
It's not normal for appliances or devices to spark when you plug them in. This might mean that the outlets are worn out, the wiring is loose, or there is a more significant issue with the electricity.
7. Outlets that don't work
If an outlet stops working suddenly, it could be due to a circuit breaker that tripped, a loose wire, or a greater issue with your electrical system, like a faulty breaker or a damaged wire in the wall.
8. Power strips and extension cords that are overloaded
Using a lot of electrical power strips and extension cords could mean that your home doesn't have enough outlets for your needs. This can lead to overloaded circuits and increase the risk of electrical problems.
9. Old or damaged wiring
Homes with old or damaged wiring are more prone to electrical issues. If your home is older, it’s worth having a professional inspect the wiring to ensure it’s up to code and safe.
10. High electricity bills
A sudden spike in your electricity bill could indicate an issue with your electrical system, such as faulty wiring or outdated appliances that are using more energy than necessary. Identifying and addressing these issues can help you reduce your energy costs.
What to Do If You Notice These Signs
If you notice any of these electrical issues, it’s important to act quickly. Electrical problems can cause a lot of damage if they are left unattended. Here’s what you can do:
- Turn off the power to the affected area if you suspect a serious issue.
- Avoid using outlets or appliances that seem faulty.
- Contact a licensed electrician to inspect your home and address the problem.
Electrical problems can be a concern, but recognising the warning signs early can help you protect your home and family. If you suspect an issue, reach out to a qualified Kandua electrician for urgent assistance. Dealing with electrical issues immediately will save you time, money, and stress in the long run.
Frequently Asked Questions
How do I know if my electrical system is overloaded?
You may notice frequent circuit breaker trips, flickering lights, or warm outlets. These are common signs of an overloaded system.
Is it normal for outlets to feel warm?
No, outlets should not feel warm or hot. This could indicate a problem with the wiring or an overloaded circuit.
What should I do if I smell something burning near an outlet?
Turn off the power to that area immediately and contact a licensed electrician. A burning smell is a serious warning sign.
Why do my lights flicker when I use certain appliances?
This could mean your circuit is overloaded or there’s a loose connection. An electrician can help identify and fix the issue.
Can old wiring cause electrical problems?
Yes, old or damaged wiring is a common cause of electrical issues and can pose safety risks. It’s a good idea to have it inspected by a professional.
Are sparking outlets dangerous?
Yes, sparking outlets can indicate a serious problem, such as worn-out components or faulty wiring. Avoid using the outlet and call an electrician.
How can I reduce my electricity bill if it’s unusually high?
Check for faulty wiring, outdated appliances, or devices that may be using excessive energy. An electrician can help identify the cause.
Should I try to fix electrical problems myself?
It’s always best to leave electrical work to licensed professionals. DIY repairs can be dangerous and may not comply with safety standards. Remember, your safety and the safety of your home should always come first.
Related articles, advice and more

What to Do If You Smell Burning from an Electrical Outlet
For South African homeowners, electrical faults are a leading cause of house fires. Whether it is caused by old wiring in heritage homes in suburbs like Melville or Observatory, or the strain placed on systems by post-load shedding surges, knowing exactly how to react can save your property and your life.This guide details the immediate steps you must take, the likely causes of the smell, and what to expect when you call in a professional.
.webp)
Your Inverter is Repaired! Key Checks to Ensure Continued Backup Power in SA
This guide will walk you through the essential checks and maintenance tips to maximise the lifespan and efficiency of your recently repaired inverter and battery setup, straight from the insights of experienced electricians across South Africa.
.webp)
Natural Gas Stove Installation in SA: Choosing a Certified Expert for Safety and Connection Compliance
Connecting to a natural gas line is a specialised task with significant safety implications. Choosing the right person for the job is essential. Here's your A to Z guide on getting it right the first time.
.webp)
Beyond the Unboxing: A Detailed Guide to Correct Washing Machine Plumbing & Setup
New washing machine in South Africa? Learn essential plumbing and setup tips to prevent leaks, ensure efficient operation, and extend your appliance’s lifespan - expert advice before your first load.
.webp)
New Washing Machine? Don't Plug It In Yet! Essential Installation Tips for SA Homes
Installing a new washing machine? Learn the essential setup steps South African homeowners often overlook to prevent leaks, noise, and damage—and ensure efficient, long-lasting performance from day one.
.webp)
TV Repair Costs in South Africa: Diagnosing Screen, Power & Component Issues
Find out what TV repairs really cost in South Africa – from call-out and diagnosis fees to screen, power and main board fixes – and when it’s cheaper to replace your TV instead of repairing it.
.webp)
LPG Gas Appliance Repair Costs in South Africa: What to Expect for Stoves, Ovens & Heaters
Repairing your LPG gas appliances requires certified expertise to ensure safety and functionality, with costs varying based on the specific issue and appliance type.
.webp)
Electrical Fixture Repair Cost in South Africa: From Flickering Lights to Faulty Switches
An electrical fixture repair in South Africa can cost anywhere from R450 for a simple fix to over R2,500 for complex diagnostics and repairs. The final price depends on the specific issue, the type of fixture, and the electrician's rates.
How to Install a Horizontal Geyser | Step-by-Step Pro Guide
Want to install a geyser like a pro? This step-by-step tutorial shows you exactly how to do a horizontal Ariston Axios geyser installation, straight from the BluLever plumbing workshop. 🎥 Hosted by MK, BluLever’s technical facilitator, and supported by a qualified electrician, Life and a BluLever graduate artisan, Zinhle. This is your ultimate guide to a SANS 10254-compliant installation — from preparing the wall, to plumbing, electrical wiring, and pro troubleshooting tips.
How to Maintain a Geyser | Step-by-Step Pro Guide
Want to maintain a geyser like a pro? This step-by-step tutorial shows you exactly how to do the three core geyser maintenance checks on an Ariston Axios geyser installation, straight from the BluLever plumbing workshop. 🎥 Hosted by MK, BluLever’s technical facilitator, and supported by a qualified electrician, Life. This is your ultimate guide to geyser maintenance — from diagnosing the problem to checking the heat regulation of the geyser, to pressure regulation and then finally corrosion protection.
Latest articles, advice and more
.jpg)
How to Choose Between Repair and Replacement for Your Geyser
Deciding between repairing and replacing isn't just about the immediate price tag. It is about safety, long-term electricity savings, and compliance with South African building regulations. Based on insights from vetted plumbers across Johannesburg, Cape Town, and Durban, this guide will help you navigate that decision with confidence.
.jpg)
What to Do If Your Electric Problem Comes Back After Repair
There are few things more frustrating than paying for a repair only to have the lights flicker, the breaker trip, or the plug point fail again a few days later. Here is a step-by-step guide to handling the situation professionally, safely, and effectively to get it sorted out for good.
.jpg)
Understanding Geyser Warranties in South Africa
For most South African households, the geyser is the hardest-working appliance in the home. To help you protect your investment, we have broken down exactly how Geyser warranties work in South Africa, drawing on insights from qualified plumbers who handle rejected claims daily.
.webp)
How Hard Water Damages Your Plumbing (and What to Do About It)
If you suspect you have hard water, you are in the "awareness" stage of a very important journey for your home's maintenance. Ignoring it can lead to burst geysers and clogged pipes. This guide, compiled with insights from top local plumbers, will explain exactly how hard water affects your plumbing and the practical steps you can take to fix it.
.webp)
How to Tell If Your Geyser Is About to Burst
Geysers rarely burst without giving you a few hints first. By spotting the early warning signs, you can turn a potential disaster into a managed repair job. This guide, compiled with insights from top-rated plumbers in the Kandua network, will help you determine whether your geyser is a ticking time bomb and what to do about it.
.webp)
Beyond the Unboxing: A Detailed Guide to Correct Washing Machine Plumbing & Setup
New washing machine in South Africa? Learn essential plumbing and setup tips to prevent leaks, ensure efficient operation, and extend your appliance’s lifespan - expert advice before your first load.
.webp)
New Washing Machine? Don't Plug It In Yet! Essential Installation Tips for SA Homes
Installing a new washing machine? Learn the essential setup steps South African homeowners often overlook to prevent leaks, noise, and damage—and ensure efficient, long-lasting performance from day one.
.webp)
TV Repair Costs in South Africa: Diagnosing Screen, Power & Component Issues
Find out what TV repairs really cost in South Africa – from call-out and diagnosis fees to screen, power and main board fixes – and when it’s cheaper to replace your TV instead of repairing it.
.webp)
Septic Tank Leak Repair Cost in South Africa: Addressing Odours & Environmental Hazards
Learn typical septic tank leak repair costs in South Africa, what drives the price up, how to spot early warning signs (odours, soggy ground, backups), and when it’s safer and cheaper to get a professional in.
.webp)
Hidden Water Leak Detection Cost in South Africa: Non-Invasive Solutions
Discover what hidden water leak detection really costs in South Africa – from acoustic and thermal imaging to tracer gas – and when it’s worth calling a non-invasive leak detection specialist to avoid massive water damage and repair bills.
How to Install a Horizontal Geyser | Step-by-Step Pro Guide
Want to install a geyser like a pro? This step-by-step tutorial shows you exactly how to do a horizontal Ariston Axios geyser installation, straight from the BluLever plumbing workshop. 🎥 Hosted by MK, BluLever’s technical facilitator, and supported by a qualified electrician, Life and a BluLever graduate artisan, Zinhle. This is your ultimate guide to a SANS 10254-compliant installation — from preparing the wall, to plumbing, electrical wiring, and pro troubleshooting tips.
How to Maintain a Geyser | Step-by-Step Pro Guide
Want to maintain a geyser like a pro? This step-by-step tutorial shows you exactly how to do the three core geyser maintenance checks on an Ariston Axios geyser installation, straight from the BluLever plumbing workshop. 🎥 Hosted by MK, BluLever’s technical facilitator, and supported by a qualified electrician, Life. This is your ultimate guide to geyser maintenance — from diagnosing the problem to checking the heat regulation of the geyser, to pressure regulation and then finally corrosion protection.

Your go-to-hub for DIY tips, expert advice, cost guides and more.
.avif)
Connecting you to qualified, trusted Pros.
The world’s first AI-powered home services platform, here to help you protect, maintain, and improve your home with confidence.
.avif)
.avif)
.webp)
.webp)
.webp)