Fire Safety

Smoke alarms and electrical safety

Smoke alarms do not prevent electrical faults, but they can provide early warning if a fire starts. They should sit alongside proper electrical maintenance, inspection and safe product use.

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Key guidance

This page is part of the TESC electrical safety guidance library.

Smoke alarms and electrical risk

A working smoke alarm can provide early warning of a developing fire.
It does not make an unsafe electrical installation safe.
Electrical inspection, safe appliance use and proper maintenance remain important.

Where smoke alarms matter most

Homes with older wiring or older consumer units.
Rented homes and HMOs.
Properties using extension leads, chargers and portable heaters heavily.
Areas near escape routes, sleeping areas and higher-risk rooms.

Keeping a joined-up safety record

Keep smoke alarm testing and maintenance records where required.
Keep EICRs and electrical certificates with the property file.
Use the EICR Register where a certificate has been filed with TESC.

Check the EICR Register

Smoke alarms are one layer of safety. Electrical inspection records help show whether the installation itself has been assessed.

TESC guidance is designed to support safer homes, clearer compliance records and better electrical safety decision-making for landlords, tenants, agents, contractors and the public.

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Use the TESC guidance centre

Explore EICR guidance, product safety information, landlord compliance resources and contractor verification support.

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