A Practical Guide to How to Wire a Relay Safely and Correctly
At its core, wiring a relay is about using a small, gentle electrical signal to boss around a much bigger, more powerful one. You’ll connect a low-power control circuit to the relay's coil (terminals 85 and 86), which then flips a switch for a separate, high-power circuit running through the relay's contacts (terminals 30, 87, … Read more