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Ownership · UK

Portable charging heat, scorch or burning smell: stop using

Stop portable EV charging and keep people clear. Do this if a plug, socket, lead, control box or connector is unusually hot, scorched, melted or giving off a burning smell. Leave affected equipment untouched and out of service, even if the symptom appears to stop. Call 999 for smoke or fire, and otherwise arrange a registered competent electrician before any reuse.

Electrical Safety First: Extension leads, cable reels and block adaptors

Reviewed

Key facts and evidence

For portable EV charging in the UK, as reviewed on 12 August 2026, unusual heat, hot-plastic or burning odour, blackening, scorch marks, melting, sparks or smoke is a Red stop-use condition. Keep people clear and leave the equipment untouched. Smoke or fire requires 999; other heat damage requires a registered competent electrician before reuse.

Electrical Safety First: Extension leads, cable reels and block adaptors

Stop portable EV charging for abnormal heat, a burning smell, blackening, scorch marks, melting, sparks or smoke and obtain professional help.

The symptom is enough to stop

Heat damage may remain significant even when charging has ended or an odour has faded. A stopped symptom is not evidence that the equipment may be reused.

Emergency or electrical handoff

Smoke or fire transfers control to the Fire and Rescue Service through 999. Other heat or scorch damage remains out of service for registered electrical assessment.

What to do next

Keep affected portable charging equipment out of service and keep people clear of any hot, damaged, sparking or smoking item.

Immediate action: Call 999 for smoke or fire; otherwise arrange a registered competent electrician.

  • Any plug, socket, lead, connector or control box is unusually warm or hot.
  • A hot-plastic or burning smell, blackening, scorch mark or melting is present.
  • Sparks or smoke are visible.

Do not infer from missing evidence

  • Stop charging, keep people clear and leave affected equipment untouched.
  • If smoke or fire is present, move everyone away and follow the Fire and Rescue Service.

Professional hand-off

  • Call 999 immediately for smoke or fire and state that EV charging equipment is involved.
  • For heat damage without smoke or fire, keep the equipment unused and arrange a registered competent electrician.

Questions this record can answer

What does the sourced evidence say about the symptom is enough to stop?

Heat damage may remain significant even when charging has ended or an odour has faded. A stopped symptom is not evidence that the equipment may be reused.

What does the sourced evidence say about emergency or electrical handoff?

Smoke or fire transfers control to the Fire and Rescue Service through 999. Other heat or scorch damage remains out of service for registered electrical assessment.

Sources