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WHAT WOULD YOU DO?

John Peckham
Today's job inspect and test a domestic installation in a sheltered housing flat. TN-C-S earthing system. Main protective bonding correct. 


Wet room for disabled occupant. Electric shower and extract fan supplied from a Wylex 2 way consumer unit  with BS EN 61008 30mA RCD main switch. Recently installed.


RCD does not trip on X1 RCD test but does trip on X 5 and operation of test button. RCD does not tip on a second and third test after X 5 test and operation of the test button.


Thinking about the Note to Regulation 643.8 are you content with this installation as there are no other observations recorded and prepared to issue a "Satisfactory" EICR?


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    What were we taught twenty years ago about testing RCDs, some of us are old enough to have installed consumer units where the requirements for RCDs of anything other than TT installations was basically none existent. New houses built on estates in the 1980’s that had TN installations had a socket with a built in RCD in the garage for outdoor use and that was it.


    So what were we taught about testing RCDs twenty years ago when split load consumer units were becoming the norm .


    Andy
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  • 0
    What were we taught twenty years ago about testing RCDs, some of us are old enough to have installed consumer units where the requirements for RCDs of anything other than TT installations was basically none existent. New houses built on estates in the 1980’s that had TN installations had a socket with a built in RCD in the garage for outdoor use and that was it.


    So what were we taught about testing RCDs twenty years ago when split load consumer units were becoming the norm .


    Andy
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