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An electrical burning smell without a visible source is one of the more concerning things to notice in a home. It typically means overheating is happening somewhere hidden in your wiring, and it needs to be addressed quickly rather than waited on. Here is what to do, from the licensed electricians at EZSMART, serving Toronto and the GTA.
The smell of overheating wiring is a sign of active heat damage happening in your electrical system. Left alone, it can progress to arcing, insulation failure, and in the worst case, fire. Even if the smell is faint, addressing it promptly is significantly cheaper and safer than waiting.
A licensed electrician can trace overheating in the wiring using thermal imaging, voltage testing, and physical inspection. Once the source is identified, repair typically involves replacing damaged wiring or connections, and confirming the underlying cause is addressed. Work should be performed in accordance with Electrical Safety Authority standards. Quality replacement components from manufacturers like Eaton and Leviton are typical.
Could the smell just be dust burning off?
Sometimes, particularly with lights not used for a while. But if the smell persists or comes back, it is worth investigating.
Should I turn off my main breaker if I cannot find the source?
If the smell is strong and you cannot locate it, turning off the main breaker is a reasonable safety step until a licensed electrician can investigate.
How urgent is this really?
Very. Electrical burning smells are one of the more common warning signs before an electrical fire.
Have an electrical burning smell in your home? EZSMART provides licensed emergency electrical diagnostics across Toronto and the GTA. Call 416-838-9006, and see what our customers say on our Google reviews page.
Electrician Since 2008 Journeyman Electrician Designated Master Electrician at EZSMART Corp
