Burning Smell from Your Home Light Switch? Here’s Why & What To Do (2026 Guide)
- Nabihah
- Nov 10
- 3 min read
Table of Contents
Introduction
Suddenly notice a burning smell coming from your light switch? Don’t ignore it — it could be a sign of a serious electrical hazard!
Many homeowners in Malaysia experience a burnt or smoky smell from their electrical switches without knowing the actual cause. This article will help you understand why it happens, what risks it brings, and what immediate steps to take. We’ll also explain when it’s the right time to call a certified electrician.
1. Why Does a Burning Smell Occur?
A burning smell from switches typically comes from:
Overheating wires
Micro sparking inside the switch
Worn-out or damaged switch components
This issue can affect light switches, fan switches, or plug sockets — especially in homes older than 10 years.
2. Common Causes of Burning Smell from Switches
Here are the most common causes in Malaysian homes:
🔌 Loose wiring – Wires not tightly connected, causing micro sparks
⚡ Power overload – Too many devices connected to one switch or socket
🔥 Old or faulty switches – Worn-out or broken internal components
💧 Moisture ingress – Common in switches near kitchens, bathrooms, or outdoor areas
🧯 Aged and deteriorated wiring – Especially in homes over 15–20 years old
3. Dangers of Ignoring the Problem
Don’t take it lightly:
Risk of short circuits that could lead to house fires
Damage to electrical appliances connected to the circuit
Electric shock hazards, especially for children and the elderly
4. What Should You Do?
If you notice a burning smell:
Turn off the main power supply immediately
Do not use the affected switch or socket
Do not attempt to repair it yourself unless you’re trained
Call a certified electrician as soon as possible
5. When to Call a Professional Electrician
✔ When switches frequently smell burnt or feel hot
✔ If a switch or socket makes buzzing noises or vibrates
✔ If lights flicker for no reason
✔ If you’re renovating and haven’t updated the wiring system
Conclusion
A burning smell from a wall switch is not a minor issue. It’s an early warning sign of faulty wiring or switch components. Take action before the situation becomes dangerous.
Always choose a licensed professional electrician to ensure your home wiring is safe, neat, and up to code.
FAQs
1. Is it normal for a switch to feel slightly warm?
Not really. Slight warmth may be okay, but if it’s consistent or has a burnt smell, get it checked immediately.
2. What’s the estimated cost to replace a switch?
It depends on the type and number of points. Around RM80–RM150 per switch including installation.
3. How long does it take to inspect and fix wiring issues?
Usually between 30 minutes to 2 hours depending on the issue and number of points.
4. Do I need to replace all wiring if one switch is faulty?
Not necessarily. The electrician will inspect whether the problem is isolated or system-wide.
5. Can I fix the switch myself?
Not recommended unless you're licensed or trained. There’s a high risk of electric shock or short circuit.
We’re ready to help you resolve burning smells, faulty switches, and all types of electrical wiring issues — fast and safely.
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✅ Services available for homes & offices nationwide
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