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Home · Jun 20, 2026

Signs your electrical wiring is outdated

Old, deteriorated wiring in an electrical installation

An electrical installation has a useful life of 20 to 30 years. After that, the wire insulation degrades and the risk increases.

Warning signs: flickering lights, warm outlets or switches, an occasional burning smell, breakers tripping often, or old-style fuses instead of modern breakers.

Also check if: your home was built more than 25 years ago and the wiring was never updated, or if you've added a lot of new equipment (AC, electric shower) without expanding the circuits.

A preventive inspection costs very little and can catch problems before they turn into a fire or equipment damage.

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Request a preventive inspection