​1. Watch brand
According to incomplete statistics, there are more than 1500 domestic enterprises in the production of switch socket products, product quality between difference is huge, because many consumers do not have the identification method of product quality, coupled with knowledge of switch socket brand co., LTD., bring some unscrupulous businessmen living space, part of the fake and shoddy products into the market. Of course, many large enterprise is pay attention to your brand image, higher requirements for product quality, after-sales service have safeguard relatively, quality guarantee is usually not less than 12 years. So, in order to use it at ease, switch socket had better choose a big company or credibility of a good brand.
2. Check the appearance
Panel should be uniform color, smooth surface, no sag, noise, no bubble, stain, crack, swelling, lack of glue, defects such as deformation, scratch and shrink. Trace metal parts without burrs, cracks, corrosion, rust and screw head injury, adverse circumstances.
3. Weigh weight
When buying a switch socket should also weigh weight. If companies choose the thin copper, will feel lighter. And good switch socket chosen copper and terminals are usually thick, weight is relatively heavy. Copper is a key part of the switch socket, is to identify key parts of fake inferior products. Consumer is when the choose and buy also note: some bad manufacturer can add iron plate to increase the weight to the product, we must see when the choose and buy.
4. Place
You should use different places to different kinds of switch and socket. Kitchen and toilet often have a water Canon and lampblack, socket panel had better install the splash water box or plastic board, it can effectively prevent short circuit caused by oil, water vapor intrusion. Families with children, in order to prevent children touch with finger or with metal tong socket hole, the parents had better choose to take insurance against the safety of the socket.
In addition, when three hole socket installation, must not let the ground can be evaded, more can't on the ground received directly to the gas. These practices are pretty dangerous, ground wire connected to the electrical appliances shell, once the electric leakage, can lead to electric shock.

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