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Common causes of a total loss of electricity supply

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.

Possible causes of a total power outage:

  1. If you have an RCD (residual current device) as the main switch, it may have tripped. If you don’t know what an RCD is, look at Image 3 and Image 4 below.

  2. You may have a loose connection somewhere between the fuseboard and the main service head.