RCDs can trip due to several reasons including overload, electric shock, faulty RCD, moisture inside appliances , lights, powerpoints or faulty appliances
What can you do before calling an electrician?
- Try resetting the RCD by pushing the lever to ON and see if stays on
- If not Unplug all appliances plugged in to the power points and try resetting
- If the appliances were faulty or there was a nuisance tripping , you will be able to eliminate those faults and the power is restored
- If you tried both of the above and still its not working, call an electrician