1. Metodo di messa a terra dell'estremità della guaina del cavo unipolare, Perché deve essere installato lungo il cavo posato in parallelo con la linea di ritorno?
In the metal sheath end of the grounded cable line, ensure that the induced voltage in the sheath does not exceed the allowable standard.
Must be installed along the cable line parallel laying of a conductor, and the two ends of the conductor grounded, this conductor is called the return line.
