Knowledge

The variety of switch sockets on the market and mixed good and bad, making consumers confused when purchasing, and the switch socket is not only a home function, but also the main components of safe a

When consumers buy power sockets, do not be greedy for cheapness, it is best to buy from regular large chain supermarkets, hypermarkets or electrical appliances and other business places, and keep sho

Package classification USB socket is divided into two packages: SMT chip package and DIP plug-in package. Specification classification USB AM (Short Body Bonded Wire Type, Folded Two-Piece Set, Folded

USB socket is a safe and power-saving, universal socket with USB interface, is a weak current electronic product, including the main body of the socket, a USB female seat is provided on the main body

Brand enterprise The switch or socket produced by small manufacturers is very unreliable, has a short service life and is unsafe, so it is recommended that consumers buy brand switch sockets. 2. Style

The power switch is generally between 1.2m and 1.4m from the ground (the general switch height is as high as the shoulder of an adult), and installed at the same height, the difference is not more tha

The sign on the switch L is generally a line of fire, while L1, L2, L11, L21 all indicate the line of fire. 2. The sign on the socket L also means the fire line, n means the zero line, and there is a

Do not switch the switch repeatedly This not only increases power consumption, but also reduces switch life and wears operating parts during the opening and closing process. 2. The socket is used in o

First of all, the home power should be cut off, pay attention to the safety of electricity, and after the cut-off, make sure that there is no power to remove the switch or socket. 2. There is a small

Commonly used wall switch socket panels are divided into three types: 86 type switch panel, 118 type switch panel and 120 type switch panel: 1. Type 86 switch panel The square length and width are 86