Hi Lee thanks for your response , Weston power would not provide a main earth so i had to drive an earth rod down into the ground .the soil is very shillety ground so i cannot get the impedance down at the moment.
I was told by a senior friend to change the main disconnector to a 100mA RCD ???
The 100 mA RCD (not timed delayed) was selected for discrimination
the RA is high because of ground type shilety hope the spelling is right , the electrode was driven down about 1200mm
Hello my name is Andy the NIC EIC help line is closed today so i wondered if anyone could help me please.
I have been working on a barn conversion in South Devon and installed a consumer unit with 30mA RCBO's on every circuit with a 100mA RCD as the main switch and an earth electrode about 4...