What is the material of the courtyard lamp ground?
Metal materials such as flat steel, also commonly used copper replacement is mainly used for grounding ring construction
The other is the use of non-metallic grounding more convenient, almost no life constraints
This type of grounding life of the shorter grounding resistance increases quickly and frequently
The grounding material is the main material of the grounding project. The choice of garden lights is important
Widely used grounding T-material has a variety of metal materials (the most commonly used, such as flat steel) grounding, reducing agent and ion grounding system.
