TO BE HONEST ONLY THE BASICS RING MAINS LIGHTING CIRCUITS RADIALS ETC HAVE NOT TOUCHED ON WORK FROM METER TO CONSUMER UNITS WHAT CAN OR CANT BE DONE ONLY RECENTLY FOUND OUT THAT IF TAILS EXCEED 3M FROM METER THEN AN ADDITINAL DP AND N SWITCH KMF IS REQUIRED ASED LECTURER WHAT A KMF WAS HE DID...