Now have more kinds of the switch socket styles. you need choose the right types for your homelife. now we will explain below:
Classification of switch sockets 1. Panel type 86 type, 120 type, 118 type, 146 type, 75 type 86 type switch: The appearance of the most common switch socket is square, the external dimension is 86mm×86mm, and the mounting hole center The distance is 60.3mm. This kind of switch is often called 86 type switch. Type 86 is an international standard. Many developed countries are equipped with Type 86, and it is also the most commonly used switch in engineering and home improvement in most regions of China.
118 type switch: 118 type switch generally refers to the long strip switch. Generally, it can be freely combined in style, and is framed by a combination of different functional modules. The panel size is generally 70×118 or similar, and there are extension products. Such as: three long, four long, four square, the form and 120 can be seen as the same form of product. Mainly in Japan, South Korea and other countries adopt this form of products. In some parts of our country, this type of product is popular. The advantage of 118 type switch socket is his DIY style! More flexible 17173, you can change the color according to your needs and preferences, convenient disassembly, free style.
Simple comparison: Type 86 switches are up to four open, but 118 can be fitted with 8 open. However, 8 is still rarely used.
Switch And Socket installed at home, not only to perform his most basic functions, choose a good style switch can also play a decorative function, can add a lot of color to your warm home! For electricians, 118 switches are more labor-saving. From a long-term safety point of view, it is recommended to buy 86-type switches.
146 type switch: The panel size is generally 86×146 or similar size, the center distance of the mounting hole is 120.6mm. This form is adopted by most countries in China and other countries. This form is actually an extension product of the 86 series. Or classified as 86 type switch socket. 146 was more popular in the past few years and then slowly faded out of the market. At present, a small number of businesses in the market have a small amount of inventory.
Type 75: The panel size is generally 75 x 75 or similar. The product was widely used before the 1980s in our country and has now basically been eliminated.
2. According to the switch connection type: single-pole switch, two-pole switch, three-pole switch, three-pole plus midline switch, two-way switch with public access line, two-way switch with one open position, two-pole dual switch, double Road reversing switch (or mid-direction switch)
3, the switch according to the contact disconnected points: normal gap structure switch: contact break clearance ≥ 3mm; small gap structure switch: contact break clearance <3mm but must> 1.2mm focus real estate network, this type of switch Must identify "m" on the body
4, switch according to the starting method points: Rotary switch, rocker switch, button switch, voice-activated switch, touch screen switch, flip board switch, wiring switch 5, socket according to whether there is no protection door category: no protection door socket, there is a protective door socket 6. Switch sockets classified according to the degree of protection against hazardous ingress Switching sockets of general protection class Ipxo or Ipx1, splash protection type Ipx4 switch sockets, spray protection type Ipxe switch sockets 7, according to terminals:
Electrical accessories with screw-type terminals (copper screw and pressure wire are all examples)
Electrical accessories with male screw terminals suitable for connecting hard wires (Quick wiring of 120 is such a product)
Electrical accessories with screwless terminals suitable for connecting hard and soft wires.
8. The installation categories mainly include the following: surface mounted, concealed, mobile, floor concealed, and commonly used sockets.
for the quantities, you need check how many electric you would add in the future to make more blank switch.