How to test an RCD and save your life – YouTube

RCD’s are a very important electrical safety switch. They should be tested at least every six months. This video shows the simply test to ensure the correct operation of your RCD. Find us on Facebook at Carraher electrics

via How to test an RCD and save your life – YouTube.

The RCD, RCBO, ELCB, RCB should be tested regularly. There should be an RCD or RCBO protecting all electric showers.