Information about zero-conductor faults – important for the customer
What is a zero-conductor fault?
A zero-conductor fault means that the neutral conductor in the electrical system has broken or lost connection. This can cause dangerous voltage fluctuations in a home’s electrical system.
Why is it dangerous?
- Electrical appliances in the home may receive too much voltage and be damaged
- Metal casings can become live
- Risk of electric shock can be life-threatening
What signs might you as a customer notice?
- Lights flicker or behave abnormally
- Appliances become warm or smell like something is burning
- Multiple devices fail unexpectedly
- Residual-current device (fault protection) trips repeatedly
What should you do?
- Switch off power at the main switch, if possible
- Do not touch appliances with metal casings
- Contact Herrfors emergency fault service immediately
Contact Herrfors emergency fault service
If you suspect a zero-conductor fault, contact the Herrfors emergency fault service immediately:
Oravais, Pedersöre and Teerijärvi areas
Pietarsaari area
Ylivieska area
Ota yhteyttä Herrforsin vikapäivystykseen
Oravainen, Pedersöre ja Teerijärvi
Jakobstad distrikt
Ylivieska distrikt