I was asked today to add 2 extra sockets on to an existing kitchen ring, however the board is an old wylex with the push in MCBs so no rcd protection. To add the extra sockets would it require A board change/rcd isolater?
So if you wanted to fit an rcd before a consumer unit would you take the tails from the cut out into the incoming side of an rcd then take tails from the rcd into the incoming main switch?
Interesting information, I've been buying metal "garage units" and binning the mcb thinking I had to do this for compliance. Back to the little plastic 2 module enclosure for me then ! It did seem a bit daft when adding on to a circuit in a plastic Consumer Unit.
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