Understand why your circuit breaker keeps tripping with Kandua's pros.
Home Improvement Tips

Why Does Your Circuit Breaker Keep Tripping

This constant tripping is more than just a nuisance. It is your home’s way of telling you that something is wrong with the electrical system. Instead of playing the home service gamble by guessing which appliance the culprit is or hiring a random person off the internet, you can use Jess, your Kandua home companion, to skip the guesswork and understand exactly what is happening behind your walls.

Suzette Meyer
Written by
Suzette Meyer
3
min read

It usually happens at the most inconvenient moment. You are halfway through cooking dinner or just about to start a load of laundry when the power suddenly cuts out. You head to the distribution board, flip the switch back up, and a few minutes later, it clicks off again.

This constant tripping is more than just a nuisance. It is your home’s way of telling you that something is wrong with the electrical system. Instead of playing the home service gamble by guessing which appliance the culprit is or hiring a random person off the internet, you can use Jess, your Kandua home companion, to skip the guesswork and understand exactly what is happening behind your walls.

Understanding the common culprits

When your power trips, it is usually due to one of three main issues. Identifying which one you are dealing with is the first step toward getting the job done right.

1. Overloaded circuits

This is the most frequent cause in South African households, especially during winter when we use heaters alongside kettles and ovens. Every circuit has a limit on how much electricity it can handle. When you plug in too many high-power items at once, the breaker trips to prevent the wires from overheating and causing a fire.

2. Short circuits

A short circuit is more serious. It happens when a live wire touches a neutral wire, causing a sudden surge of electricity. This could be due to a faulty appliance, a loose connection in a plug point, or even a pest chewing through the wiring in your ceiling.

3. Earth leakage and ground faults

If your main earth leakage switch is the one tripping, it means electricity is "leaking" where it shouldn't, such as into an appliance's metal casing or through a damp wall. In South Africa, our electrical systems must follow strict SANS 10142 regulations to ensure your family stays safe from electric shocks.

Why the home service gamble is a risk you shouldn't take

When you have a persistent electrical fault, the temptation is often to find the quickest or cheapest fix available. However, hiring an unverified electrician is a roll of the dice with your safety and your property value.

Many directory sites simply sell your phone number to multiple people, leaving you bombarded with calls from strangers whose qualifications you cannot verify. Electrical work is high-stakes. A "pro" without valid credentials or the ability to issue a legal Certificate of Compliance (COC) could leave you with a fire hazard and an insurance claim that gets rejected.

Kandua ends this gamble by matching you with professionals who have been through an insurance-grade vetting process, ensuring that the person entering your home is a qualified specialist, not just a general handyman.

Read: Do I Need a Certificate of Compliance for Electrical Work?

Knowing what a fair repair should cost

One of the biggest sources of anxiety for homeowners is not knowing if a quote is fair. You don't want to be overcharged, but you also need to be wary of "cheap" quotes that suggest the contractor is cutting corners on safety or materials.

Based on localised data for South African suburbs, here is what you can typically expect for common electrical repairs:

  • Call-out fees: Most verified electricians charge a fee between R650 and R850 just to arrive and diagnose the fault.
  • Minor repairs: Fixing a single faulty plug point or replacing a small circuit breaker usually ranges from R800 to R1,500, excluding the call-out fee.
  • Distribution board faults: More complex work on your main board, including replacing a faulty earth leakage unit, can cost between R2,500 and R5,000 depending on the parts required.
  • Certificate of Compliance (COC): A standard inspection and the issuance of a certificate for a medium-sized home typically start at R1,500, though costs increase if repairs are needed to meet legal standards.

Safety first: When to call the experts

While some home tasks are great for a weekend DIY project, electrical faults are often where you should draw a safety red line. If you see sparks, smell burning plastic, or notice that your distribution board is making a buzzing sound, do not attempt to fix it yourself.

Electricity is dangerous, and improper repairs can lead to fatal accidents or devastating house fires. A verified pro will have the correct testing equipment to find the root cause of the problem quickly and safely.

Frequently asked questions

Can a faulty appliance cause my whole house to trip?

Yes, a single appliance with a short circuit or an internal leak can trip the main earth leakage switch. You can try to find the problem by unplugging everything and plugging items back in one by one, but if the tripping continues, the fault is likely in your permanent wiring.

What is a Wireman’s License and why does it matter?

A Wireman’s License is an official registration that proves an electrician is qualified to work on fixed electrical installations and legally sign off on a Certificate of Compliance (COC). Hiring someone without this license means your electrical work is not legally recognised.

Why does my power trip only when it rains?

This often suggests that water is getting into an outdoor light fitting, an electric fence energiser, or a plug point that isn't properly sealed. Moisture creates a path for electricity to leak to the ground, triggering the safety switch.

Is it normal for a circuit breaker to feel warm?

A circuit breaker may feel slightly warm to the touch when it is under load, but it should never be hot, discoloured, or emit a smell of smoke. If you notice any of these signs, you should turn off the power at the main switch and call a verified pro immediately.

Would you like Jess to help you find a verified electrician in your area to check your distribution board?

Suzette Meyer
Written by
Suzette Meyer
Lead content strategist

Suzette Meyer is the lead author and content creator for Kandua.com, South Africa’s #1 marketplace for home services. Suzette has made it her mission to help homeowners with advice on all aspects of home repair, maintenance and improvement, including how to choose the right Pro and how to make smart upgrades that improve your resale value or save costs.

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