May 18 2016

Why does RCD keep tripping?

It is a common problem in old houses, especially those with an outdated electrical  installation, that RCD (residual current device) trips and electrical power goes off without a reason (that´s why it is called nuisance tripping). Although we can go to the main board and turn back on the RCD, that may be quite bothering. We have to stop what we are doing. We can lose the information currently editing on the computer or the heating goes off at night and we find nothing works when we wake up. In the worst case, a large number of interruptions may cause appliances to break.
Seguir leyendo…