What is Ring Main Earthing
Ring Main Earthing ::- Two or more circuit simultaneously connected closely each other this circuit is called Ring circuit. In Electricity design a Two or more Earthing closely connected each other like a ring this Earthing system is called Ring Main Earthing. Description::- The ring ckt acts like two radial circuit proceeding in opposite direction around the ring, this dividing point between them dependent on this number of flow of electrons in the ring. Day by day earth system is develop,ring circuit are commonly use in British Standard Rules,it is commonly use United Kingdom,United Arab,India,Hong kong etc.This design enable to use smaller diameter Earth Strip or Cable. Two Earth Ring, like one earthing value is 3 ohm & other earthing value is 1 ohm, two Earth connected each other ring main, supposed both ends value is 1 ohm, even if fault occurred any section there are no earth value is reduce in the ring. RING MAIN EARTHING History & Use ::-