Please see attachment for relevant drawings, I have used brown as live and blue as neutral, as european standard, and makes the diagrams a lot easier to read. Thailand uses black for live, and grey for neutral. (Actually any colour that they can get their hands on) The Thai Domestic Electrical System, below is a typical thai DB that has no earth, and no RCD protection, this is quite common in Thailand, and offers no protection for fault current, this system will only provide over current protec