Total loss of power is rare. However, believe me, I have attended many callouts to address complete black-out situations.
Total loss of power can be caused by both external and internal electrical faults.
It is beneficial to understand the fuse board or consumer unit components when dealing with any electrical problems. To read more about fuse board or consumer unit components, read Every-day-terms for the components of a fuse board
Possible causes of a total power outage:
- If you have an RCD (residual current device) as the main switch, it may have tripped.