![power electronics - What is the function of jumper pins on a 4 channel relay? - Engineering Stack Exchange power electronics - What is the function of jumper pins on a 4 channel relay? - Engineering Stack Exchange](https://i.stack.imgur.com/PMUGL.jpg)
power electronics - What is the function of jumper pins on a 4 channel relay? - Engineering Stack Exchange
![Amazon.com: CARTMAN 4 Gauge 20 Feet Jumper Cables UL-Listed Automotive Booster Cables with Carry Bag for Car, SUV and Pickup Trucks : Automotive Amazon.com: CARTMAN 4 Gauge 20 Feet Jumper Cables UL-Listed Automotive Booster Cables with Carry Bag for Car, SUV and Pickup Trucks : Automotive](https://m.media-amazon.com/images/I/71a2DKL57vL.jpg)
Amazon.com: CARTMAN 4 Gauge 20 Feet Jumper Cables UL-Listed Automotive Booster Cables with Carry Bag for Car, SUV and Pickup Trucks : Automotive
![Premium Male/Male Jumper Wires - 40 x 6 (150mm) : ID 758 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits Premium Male/Male Jumper Wires - 40 x 6 (150mm) : ID 758 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/758-04.jpg)