The case becomes an extension of that live wire. This is called a fault. But the metal case is connected to an electrical path consisting of the ground wire in the power cord plugged into the ...
They are designed to protect personnel who come in contact with conductive or dissipative surfaces, and to provide grounding for electrically-powered equipment. braided mesh or grid sheet or strip ...
State Grid Corporation of China workers install and commission an automatic ground wire de-icing device at Tower 1 of the 110kV Sili line in Wulong district, Chongqing. [Photo provided to ...