When home renovation, we will choose the quality of qualified products, and before the selection switches and sockets, we must first understand their type and purpose, then according to the actual installation location, to determine the size of the switch socket, not the size of the switch socket the bigger the better or the smaller the better, but to try to choose the walls of conventional products made extensive use of the switch, so easy future maintenance and replacement. If to look good or other objects, choose some alien or unusual switch socket, with a period of time after the problem, it may be difficult to buy the same type of products to be replaced. Now basically dark decoration laying or embedded in, to replace the other types and sizes of switches and sockets, you must destroy the beautiful scene. In addition, there is a combination of switches and sockets and individual functions, such as by switching on mode, into rotary switches, toggle switches, push button switches, voice switches, touch switches, inverted switches, switches and other wiring. Press the switch socket protective function points, a common type of protection, splash guard, explosion-proof protection type. By way of installation classification, it can be divided into Ming-mounted, flush-mounted, floor concealed and so on. 86 switches and sockets as an international standard, many developed countries are to install 86 type switch socket wall switch, it is currently the majority of our region and home of the most commonly used standard. If you control more appliances, you can choose the type of 118/120 switches and sockets, switches and sockets such advantages, according to their needs and preferences swap colors, more flexible dual-control wall switches, wall switch selection easy disassembly, Freestyle. 3 wiring wall switch installation method: 1, quick-connect: upcoming stripped thread directly into the wiring hole that is able to complete the connection, do not use screws card to take power switch knives and other tools. The wiring inside the hole to have a spring, reverse pull out the card will be the primary, more convenient way to insert needed stitches office outlets poke holes or pressure plate can move stitches according to the line to pull out. 2, double plate pressure line: that is, through two small screws to tighten the metal sheet, so that the wire between the metal sheets to be stepped up. Double board pressure line connected to a single line at the good results, but if at the same time take two different diameter wires, it is not damage the cord, it is easy to loose a fine. 3, screw press line: the terminal screws screwed into the lateral extrusion and wire making firm docking terminal. Screw press line mode wiring biggest advantage is that easy, reliable, is not easy trip. The disadvantage is that the screw will crush even the pressure off the wire, a long time may cause heat and even lead fire safety hazard. Wall switch selection, Tianyi Electric (online consultation), wall switch provided by the Hebei Tianyi Electric Co. Hebei Tianyi Electric Co., Ltd. (www.tianyidq.com) Hebei Xingtai, wall switch leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Tianyi Electric leadership with the staff warmly welcome all inquiries negotiations to create a better future Tianyi Electric.