Not sure how that pic turned out but new installation on TT system. 4pole 100mA S RCD as incomer and a clatter of standard single pole 30mA RCBOs for final circuits along with MCBs.
Not sure how that pic turned out but new installation on TT system. 4pole 100mA S RCD as incomer and a clatter of standard single pole 30mA RCBOs for final circuits along with MCBs.