Getting an Electric Shock When Touching the Washing Machine, Fridge or Shower Tap: Causes & Fix
You walk barefoot into the kitchen and feel a sharp electric zap or buzzing tingle when you touch the washing machine drum or fridge door. Even worse: you touch the metal shower tap and feel an electric shock. This must never be ignored: it means live current is leaking onto metal surfaces and your property lacks a working Earth (ground) connection.
Why Do Appliances Shock You Without Tripping the RCD?
In a properly grounded home, any current leaking onto a metal appliance chassis escapes down the yellow-green Earth wire and trips the 30mA RCD immediately.
If touching the appliance shocks you while the breaker stays up, two safety barriers have failed simultaneously: the appliance has an active electrical leak AND the wall socket has no connected Earth wire.
Why Does the Shower Tap Give an Electric Shock?
This is the most dangerous domestic electrical emergency. It happens when a corroded electric water heater element, a faulty boiler or a neighbour's ungrounded fault energises the building's copper water pipes.
Step out of the shower without touching metal, switch off your main breaker, and call our 24/7 emergency electricians in Barcelona, Hospitalet, Badalona and Girona on 936 94 00 23.
FAQ
Can an electrician install an Earth wire without breaking walls?
Yes, in most apartments our electricians use fibreglass draw tapes to pull a new 2.5 mm² yellow-green Earth wire through the existing wall conduits from the fuse box to the kitchen and bathroom.