The paper introduces the Principle, standard, applica- bility and correct select means of RCD.It also giues an example to explain the RCD erroneus operation or the refuse operation which is made by mistake connection.
文摘The paper introduces the Principle, standard, applica- bility and correct select means of RCD.It also giues an example to explain the RCD erroneus operation or the refuse operation which is made by mistake connection.
