Fred down the pub said that I can save money by not using a qualified sparks to test my R.C.Ds. He said that I can make my own R.C.D. tester. Is it safe?
Don't worry about it, once the manufacturers have wrung as much as they can from the AFDD, the self testing RCD will be the next cash cow essential safety enhancement......
Don't worry about it, once the manufacturers have wrung as much as they can from the AFDD, the self testing RCD will be the next cash cow essential safety enhancement......
