Mechanical limit switch kit, suitable for RepRap 3D printers or CNC tools, supports RepRap electronics, RMAPS 1.4 and other common RepRap boards. 70 cm 22AWG high-quality connection wire, thick inner copper core, resistant to 2A current, 300V voltage. Maximum insulation temperature of the insulation layer up to 80 degrees. One-piece plug, easy to install, not easy to break, easy to insert or remove. Connection: red wire connected to VCC (RAMPS +), black wire connected to GND (RAMPS -), green wire connected to SIGNAL (RAMPS S). Limit switch Usually used 1A 125V AC limit switch, strong universality, can be used as terminal switches for RepRap 3D printers, CNC machines, / systems, etc. Product Name: 3D Printer Mechanical Limit Switch Cable Length: 70 cm Switch Size: 32x10 mm Color: Color as shown Material: plastic Package Contents: 6 * Mechanical Limit Switch 6 * 3-pin 70 cm connection wire Only the above package content, other products are not included. Note: Light photography and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.