When Should You Call an Emergency Electrician?

You should call an emergency electrician when an electrical problem presents an immediate safety risk, causes significant power loss or cannot safely wait for a routine appointment.

Burning smells, smoke, persistent sparks, electric shocks, exposed wiring, overheated sockets, repeated circuit tripping and water near electrical equipment all require urgent attention. A complete power failure confined to your property may also need emergency diagnosis.

Not every electrical fault requires an immediate callout. However, it is safer to seek professional advice when you cannot determine whether the problem is dangerous.

This guide explains how to recognise an electrical emergency, what you can safely do before help arrives and which problems may be suitable for a scheduled repair. You can also read our complete guide to electrical emergencies for further safety information.

What Is Considered an Electrical Emergency?

An electrical emergency is a fault or incident that poses an immediate risk to people or property, causes substantial disruption or prevents essential electrical systems from operating safely.

Common electrical emergencies include:

• Smoke or a burning smell from electrical equipment
• Persistent or unexplained sparks
• Electric shocks from appliances or fittings
• Exposed or damaged live wiring
• Hot, scorched or melted sockets
• A fuse box that repeatedly trips or will not reset
• Significant or unexplained power loss
• Water entering electrical equipment
• Buzzing or crackling from wiring or the consumer unit
• Electrical faults affecting essential business equipment

The seriousness of a fault depends on its symptoms and circumstances. A single failed light bulb is normally not an emergency. Several lights failing alongside a burning smell, buzzing noise or tripping circuit require much greater caution.

Nine Signs You Should Call an Emergency Electrician

1. You Can Smell Electrical Burning

A burning smell from a socket, switch, appliance, light fitting or consumer unit should never be ignored. It could indicate overheating, a loose connection, damaged cable insulation or an overloaded component.

You may also notice:

• Melted plastic
• Brown or black marks
• Unusual heat
• Crackling sounds
• Intermittent power
• Smoke

Stop using the affected equipment. If it is safe to do so without approaching smoke, heat, water or damaged wiring, switch off the relevant circuit or main supply.

Visit our burning smell from electrics service page if you require urgent professional help.

2. A Socket or Switch Is Sparking

A small, brief spark can occasionally occur when a plug makes contact with a socket. However, repeated, large or unexplained sparks can indicate damaged connections, faulty wiring or a defective accessory.

Call an emergency electrician when:

• A socket sparks without anything being connected
• Sparks continue rather than stopping immediately
• The socket is hot or discoloured
• You notice smoke or a burning smell
• Crackling or buzzing accompanies the sparks
• The circuit repeatedly trips

Keep people away from the affected area and do not use the socket again until it has been inspected.

3. Someone Has Received an Electric Shock

An electric shock from a socket, switch, appliance, tap or other conductive surface may indicate a serious fault.

Do not touch anyone who remains in contact with the electrical source. Turn off the electricity supply if this can be done safely. Electrical Safety First advises calling 999 immediately if the person is unconscious and warns that the effects of electric shock may not always be immediately obvious.

Once the immediate medical emergency has been addressed, the electrical installation or appliance must be professionally inspected before it is used again.

4. Your Electrics Keep Tripping

Circuit breakers and RCDs disconnect electricity when they detect particular fault conditions. An occasional trip may be linked to an identifiable appliance, but repeated tripping indicates a problem that needs investigation.

Potential causes include:

• Faulty appliances
• Overloaded circuits
• Damaged wiring
• Moisture
• Short circuits
• Earth leakage
• Consumer-unit faults

Resetting the breaker repeatedly does not repair the underlying problem. If it trips again after one safe reset, stop and contact an electrician.

Read our guide explaining why your electrics keep tripping or visit the electrics keep tripping service page for professional assistance.

5. Your Fuse Box Is Hot, Noisy or Damaged

The fuse box or consumer unit distributes electricity and provides essential circuit protection. Faults affecting it can disrupt several circuits and potentially compromise electrical safety.

Call an emergency electrician if you notice:

• A burning smell near the consumer unit
• Buzzing, humming or crackling
• Visible scorching
• Melted components
• Unusual heat
• Breakers that will not remain on
• Water close to the unit
• Loss of power across several circuits

Never remove the consumer-unit cover or attempt to repair its internal components. Arrange professional fuse box repair instead.

6. You Have Exposed or Damaged Wiring

Wiring can be damaged by drilling, renovation work, accidental impact, deterioration or pest activity. Never touch an exposed cable to determine whether it is live.

Keep children, pets and other people away from the affected area. Where it can be done safely, isolate the relevant circuit. An electrician can determine whether the cable is live, inspect the extent of the damage and complete the necessary repair.

Exposed conductors, damaged cable insulation and loose wires should be treated as urgent safety concerns.

7. Water Has Reached Electrical Equipment

Water and electricity are a dangerous combination. Electrical systems may be affected by flooding, roof leaks, burst pipes, overflowing appliances or water entering outdoor sockets and lights.

Do not:

• Touch wet electrical equipment
• Stand in water to reach a switch
• Attempt to unplug submerged equipment
• Restore electricity to an affected circuit
• Assume equipment is safe after it dries

Keep away from the area and contact an emergency electrician. The affected installation should be inspected and tested before normal use resumes.

8. You Have Lost Power but Nearby Properties Have Not

A widespread power cut is normally a network-supply matter rather than a fault within your property. Check safely whether neighbouring homes or streetlights are also affected.

If only your property has lost power, the cause could be:

• A tripped main switch
• A consumer-unit fault
• Damaged internal wiring
• A problem with an incoming supply component
• An overloaded or faulty circuit

For a network power cut in Great Britain, call 105 free of charge to reach the local electricity network operator. If the fault appears confined to your property, follow our guide on what to check when there is no power in your house and contact an electrician when necessary.

9. An Electrical Fault Is Disrupting a Business

Electrical failures in commercial properties can affect lighting, refrigeration, computers, payment systems, alarms, access controls, machinery and other essential equipment.

Emergency assistance may be required when a fault:

• Creates a risk to staff or customers
• Interrupts essential operations
• Affects emergency lighting or security
• Causes repeated circuit trips
• Produces burning smells, sparks or smoke
• Cannot be safely isolated

Our commercial emergency electricians provide professional fault diagnosis and urgent repairs for business premises.

Which Electrical Problems Can Usually Wait?

Some issues may be suitable for a planned appointment when there is no immediate danger and the affected fitting or circuit can be safely left unused.

Examples may include:

• One light fitting that has stopped working
• A damaged socket that has been safely isolated
• A non-essential switch that operates intermittently
• A planned consumer-unit upgrade
• Installation of additional sockets
• Replacement of old but functioning accessories
• Non-urgent electrical maintenance

A seemingly minor issue becomes more urgent when it involves heat, smoke, burning smells, sparks, shocks, exposed wiring, water or repeated power loss.

If you are uncertain, describe the symptoms to an electrician. They can help determine whether an emergency visit or scheduled appointment is appropriate.

What Should You Do Before the Electrician Arrives?

Your priority is to keep people away from the potential danger.

Make the Area Safe

Keep children, pets, employees and visitors away from exposed wiring, damaged sockets, sparks, smoke or wet electrical equipment.

Switch Off the Supply Only If It Is Safe

You may switch off the affected circuit or main supply when the consumer unit is accessible and there is no visible damage, smoke, heat or water nearby.

Do not put yourself at risk to reach it.

Stop Using the Affected Equipment

Unplug a faulty appliance only when it is safe. Do not touch equipment that is hot, wet, sparking or visibly damaged.

Do Not Attempt DIY Repairs

Avoid removing socket covers, opening the consumer unit, testing wires or dismantling appliances. Electrical components may remain dangerous even when one circuit appears to be switched off.

Gather Useful Information

Without approaching the hazard, note:

• When the problem started
• Which rooms or circuits are affected
• What equipment was operating
• Whether a breaker has tripped
• Whether the fault is constant or intermittent
• Any smells, noises, sparks or heat you noticed

This information can help the electrician begin diagnosing the fault efficiently.

When Should You Call 999 Instead?

Call 999 when there is a fire, someone is unconscious or there is another immediate threat to life. The NHS states that 999 should be used for life-threatening emergencies.

If someone is receiving an electric shock, do not touch them while they remain connected to the source. Turn off the electrical supply if you can do so safely and follow the emergency call handler’s instructions.

An emergency electrician repairs the electrical fault, but the emergency services should handle fires, serious injuries and immediate threats to life first.

What Will an Emergency Electrician Do?

An emergency electrician’s first objective is to identify the hazard and make the electrical installation safe.

A typical visit may involve:

1. Discussing the symptoms and circumstances
2. Visually inspecting the affected equipment
3. Checking the consumer unit
4. Isolating the faulty circuit
5. Testing wiring and electrical components
6. Identifying the source of the problem
7. Completing an immediate repair where possible
8. Explaining any further work that may be required
9. Retesting before restoring the electricity

Professional electrical fault finding identifies the root cause rather than merely treating the most visible symptom.

How Can You Reduce the Risk of an Electrical Emergency?

Not every electrical problem is predictable, but basic precautions can help reduce avoidable risks:

• Do not overload sockets or extension leads.
• Stop using damaged appliances and cables.
• Replace cracked, scorched or loose accessories.
• Investigate flickering lights and repeated trips.
• Keep electrical equipment away from water.
• Use qualified professionals for electrical work.
• Arrange appropriate inspections of older installations.
• Test smoke alarms regularly.
• Do not ignore burning smells, heat or buzzing sounds.

Electrical Safety First advises people not to ignore burn marks, crackling or buzzing, hot plugs and sockets, blown fuses or tripping circuit breakers.