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Technical wiring diagram of a 24V DC DIY welding gas solenoid control box with power supply and relay board on a workbench.

Technical wiring diagram of a 24V DC DIY welding gas solenoid control box with power supply and relay board on a workbench.

A realistic technical wiring diagram of a DIY welding gas solenoid box. 24V DC circuit. On the left: a silver power supply with a red wire (+24V) and a black wire (-24V). In the center: a small electronic timer relay board with a small screen and blue terminal screws. On the right: a brass gas solenoid valve with two metallic terminals. The wires are clearly connected: a red wire goes from power supply V+ to the relay board V+ and COM terminal. A black wire goes from power supply V- to the relay board V- and directly to terminal 1 of the brass valve. An orange wire goes from the relay board NO terminal to terminal 2 of the brass valve. Industrial workshop background, highly detailed, clean electrical schematic style Mehr sehen