How many wires does the intelligent switch need?

Intelligent switch needs three cables, namely live wire, neutral wire and ground wire. Intelligent switch needs three cables, namely live wire, neutral wire and ground wire. Connect the live wire, neutral wire and ground wire of the cable to the corresponding ports of the switch panel in turn. Wherein the live wire is connected to the L port, the neutral wire is connected to the N port, and the ground wire is connected to the E port. The peeling length of the cable should be appropriate, too long or too short will affect the connection quality. Intelligent switch is an electrical switch integrated with intelligent control technology, which can realize remote control of lighting, electrical appliances and other equipment through mobile phone APP or voice control. According to the wiring situation in the switch box at home, intelligent switches are divided into single fire version and zero fire version. Single-fire intelligent switch has two terminals, single-fire terminal and lamp load terminal; There are three connections of zero-fire intelligent switch, namely zero-fire connection, single-fire connection and lamp load connection.