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Electric cable are usually twisted from several wiresandtwisted around a center,the entire outer bread has a highly insulating cover. Electric cable are often installed in the air or underground or underwater, its for telecommunications or

The basic task of daily maintenance of cable wires is to meet the needs of power grid and users for uninterrupted power supply, to prevent all kinds of cable accidents, and to ensure the safe power supply of cable lines. Let me introduce wh

Electric cable terminal integrates waterproof, the stress control, shielding, insulation in one, with good electrical and mechanical properties, which can be used for a long time in a variety of harsh environmental conditions. The utility m

General requirements Firstly, make full use of the natural grounding body to save investment. If the natural grounding resistance measured in the field has met the requirements of the grounding resistance value and meet the thermal stabilit

Earthing Protective conductors It is well known that protective conductor is the main part of each grounding protection system, but the complexity of the system will increase with the requirements of information technology, voltage surge pr

The lightning rod is a metal rod mounted on the structure to protect it from lightning strikes. If lightning strikes the structure, it will preferentially strike the rod and ground through the wire, rather than through the structure, where