The installation of water and electricity in home decoration is the key, and the installation requirements of home appliances are becoming higher and higher. It is no longer a simple power supply for lighting. What about the circuit installation principle and wiring method? Today Xiaobian brings together the wiring diagram for the dual-control switch of the home decoration circuit diagram , including the circuit principle and wiring method. Let's take a look. First, what is a dual switch 1, the type of double switch Due to the different switch buttons on the control panel, the dual control switches can be classified into single-link dual-control switches, dual-link dual-control switches, and triple-joint dual-control switches. According to the increase in the number of connections, the wiring difficulties will increase. This time a comprehensive dual-control Switch wiring diagram will be able to help a great deal, the following one by one to explain the principle of these three double switch, connection and wiring diagram. 2, what is a dual switch First of all, let's first understand what a dual-control switch is. Dual-control switch refers to the separate control of a device in two places. For example, if it is a light, then there is a control of the living room lighting in the living room. When you go to the bedroom to sleep, When you go to the living room and turn off the lights, you are tired. In the bedroom, you can also have a switch to control the living room lights. In the same factory, it is very common to control two motors in a certain motor. Therefore, dual-control means two keys on two panels that are not local, and two power supplies can be controlled to achieve the same control in different places. Equipment (eg, lights). Second, single-link dual control switch wiring diagram (including the principle and wiring method) 1, single-link dual control switch wiring diagram Single-link dual control switch wiring diagram 2. The principle of single-link dual-control switch The single-link double-control switch is actually two single-pole double-throw switch connected in series and then connected to the circuit. Each SPDT switch has three terminals with two contacts and one knife. 3, single-link dual control switch connection Connect the two contacts of the two single-pole double-throw switches, ie, the contact 1 of the switch 1 is connected with the contact 1 of the switch 2, the contact 2 of the switch 1 is connected with the contact 2 of the switch 2, and then the two switches The knife is used to connect the two ends of the lamp to both ends of the entire switch. In this way, when the switches of the switches 1 and 2 are simultaneously connected to the respective contacts 1 or simultaneously to the contacts 2, the circuit is switched on and the lamps are lit. If one of the two switch blades strikes contact 1 and the other strikes contact 2, the circuit fails and the light goes off. Therefore, both switches can control the lamp. The two switches can be placed at the upper and lower ends of the stairs or at both ends of the corridor so that the lights can be turned on before entering the hallway, and the lights can be turned off at the other end after passing through the corridor. This can both illuminate and prevent people from losing the lights. Electricity. Third, dual dual control switch wiring diagram (including the principle and wiring method) 1, double dual control switch wiring diagram Dual dual control switch wiring diagram 1 2, dual-control switch principle The definition of a dual-control dual-control switch is similar to the definition of a single-link dual-control switch. The only difference is that the dual-link is a 2-button switch and the single-link is a switch of only one button. What is a dual-control dual switch? In fact, it is very simple, refers to a panel, through two buttons to control two electrical equipment, is the two switches control the two circuits. 3, the wiring of dual dual control switch First connect the middle terminal of a dual-control switch to the live wire, and then connect the middle terminal of the other dual-control switch to the lamp cap (or the center tongue of the screw base), and then connect the return line, that is, use two green lines. Wires connect any of the two upper and lower terminals; the wire is directly connected to the other contact of the lamp (or the thread of the screw base). This completes the connection. Double double control switch wiring diagram 2 Four, three double control switch wiring diagram (including the principle of wiring method) 1, triple control switch wiring diagram Triple control switch wiring diagram 2, the principle of triple-control switch The principle of the triple-control dual-control switch is the same as the above two dual-control switches, and a control panel simultaneously collects %E. Above about the home decoration circuit diagram of the dual control switch wiring for everyone to share here, I hope to help you! For more information, please visit this website. Stay tuned. Home decoration High-quality, long-lasting insect protection. 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Home decoration circuit diagram of dual control switch wiring