Getting Electric Shocks?
Any electric shock from your home's electrical system is a serious warning sign. Stop using the affected item and get professional help urgently.
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Electric Shocks Can Be Fatal
Do not ignore any shock, no matter how small. Get professional help immediately.
If Someone Has Been Shocked
- 1Do NOT touch the person if they're still in contact with the source
- 2Turn off the power at the main switch if safe to do so
- 3Call 999 if someone is injured or unconscious
- 4Do not use the appliance or socket that caused the shock
- 5Contact an electrician before restoring power
Why Am I Getting Electric Shocks?
If you're getting a tingle or shock from an appliance, a tap, or a socket, it means fault current is flowing through you instead of safely through the earth conductor. In a properly protected installation, an RCD should trip within 40 milliseconds if more than 30mA leaks to earth – fast enough to prevent a fatal shock. If you're feeling it, either the RCD is missing, faulty, or the earthing system itself has failed.
The most common scenario we see is tingling from metal taps or radiator pipes. This usually means an appliance somewhere in the house has a breakdown in its insulation – the fault current is finding its way to earth through the plumbing because the electrical earth path is either absent or has higher resistance. We diagnose this by performing earth fault loop impedance testing (Zs) and checking the main earthing terminal, bonding connections, and individual circuit earth continuity.
Properties built before the 1960s sometimes have no earth connection at all – or rely on the old lead water pipe for earthing, which fails when the council replaces it with plastic. If your home has no RCD protection (common in older fuse boards), you're relying entirely on the fuse to protect you – and fuses don't respond to earth faults. An RCBO consumer unit upgrade is the single most important safety improvement for these properties.
Common Causes of Electric Shocks
Faulty Appliance
Damaged appliances with internal insulation breakdown can give shocks when touched, especially if ungrounded.
Faulty Wiring / Earth Fault
Damaged or deteriorated wiring can cause live current to reach metal casings, light switches, or even taps.
Missing or Faulty Earthing
Properties without proper earthing allow fault current to flow through you instead of safely to ground.
Faulty Socket or Switch
Damaged faceplates, worn contacts, or poor wiring inside sockets can expose live parts.
Water and Electricity
Moisture in bathrooms or kitchens conducting electricity through wet surfaces or creating paths to ground.
Outdated Consumer Unit
Old fuse boxes without RCD protection won't trip fast enough to prevent potentially fatal shocks.
Frequently Asked Questions
Why am I getting electric shocks in my house?
Electric shocks from appliances, sockets, or switches indicate serious electrical faults such as faulty earthing, damaged wiring, or defective appliances. Any shock from your electrical system should be investigated immediately by a qualified electrician.
Is getting a small electric shock dangerous?
Even small shocks can indicate dangerous faults. The shock you feel may be a fraction of the fault current, with worse shocks possible under different conditions. All shocks should be investigated as they indicate protection systems are not working correctly.
What should I do if I get shocked from an appliance?
Stop using the appliance immediately, unplug it if safe, and do not use it again until it has been tested. If the shock was significant, seek medical advice. Have the appliance PAT tested and your electrical installation checked.
Urgent Help
Electric shocks are life-threatening. Get immediate professional investigation.
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Frequently Asked Questions
I got an electric shock from a socket — is my wiring dangerous?
Getting a shock indicates a fault in the earthing, bonding, or the appliance itself. This is serious and needs immediate investigation by a qualified electrician. Don't use the socket until it's been tested.
How much does it cost to investigate electric shocks?
Diagnosis starts at £80 plus VAT. We test earthing, bonding, insulation resistance, and RCD operation to identify the fault. Repair costs depend on the issue found.
Why does my tap give me an electric shock?
Electric shocks from taps or pipes indicate a bonding fault. All metalwork in your home should be connected to earth through supplementary bonding. This is a safety-critical repair we can fix quickly.
Should I get my electrics tested after receiving a shock?
Yes, absolutely. An EICR (Electrical Installation Condition Report) will identify any dangerous conditions throughout your property. This costs from £250 plus VAT and could prevent future shocks or electrical fires.