Can any one give me definitive on exporting earths, say PME and a supply to an outbuilding what the difference between a outside socket for lawn mowers strimmers etc spured off a convienient ring and a CU in a garage with one ring and lights taken from the main CU and taking the earth line and neutral to the shed, and the same with TNS, TT depending where the spike is either use that or sink another if distance is an issue
Your thoughts ?
Your thoughts ?