In home life, we can often see the two-hole socket and three-hole socket figure, three-hole socket than two-hole socket more than one hole, three-hole socket role is what? What are the three-hole socket buying tips? Let's take these questions, to understand the relevant content!
What is the role of three-hole socket
To ensure the safety of electrical appliances. In the electrical appliances leakage phenomenon, three-hole socket in the grounding wire connected to the hole, can cut off the power supply in time, can prevent the electrical appliances because of the current is too large to be burned, can avoid people due to contact with the charged metal casing and electrocution accidents. In order to ensure the safe use of three-hole socket performance, it is recommended to use it together with the leakage protector.
Three-hole socket buying tips what
1, look at the material
In the purchase, the first focus is on its material. In a variety of materials, pc material is used more, it's good flame retardant, good wear resistance, strong insulation, usually brand quality socket, will use this material.
2, look at the appearance
Through its surface layer can also judge its quality, usually, good quality socket surface smooth and flat, color uniformity, high gloss, no burr, brand socket in the panel and a clear logo. while the poor quality socket, usually dull uneven color, burr, and some of the surface has uneven granularity.
3, look at the safety certification
If it is a domestic brand, not only to check its quality inspection certificate, but also to see whether it has 3C certification, if it is an international brand, in addition to the quality inspection certificate, 3C certification, but also to see whether it has international safety certification.
4, look at the internal structure
Often good quality products, the use of tin-phosphor bronze material, this material has a good durability, abrasion resistance, high hardness, good elasticity and other advantages, many brands of products are using this material.
Small words: the above on the role of the three-hole socket is here, I hope to give you some reference, more related content, please pay attention to Qijia information.