generally my company will use a 32A mcb in the main CU on a 6mm SWA , then a RCD protected CU in the garage. But given cable diversity and the general use of the installation whats needed and for how long?
generally my company will use a 32A mcb in the main CU on a 6mm SWA , then a RCD protected CU in the garage. But given cable diversity and the general use of the installation whats needed and for how long?