Articles about control relay
How can I use a motion sensor to control my outdoor landscape lights? How to Use a Motion Sensor to Control Landscape Lighting, A Solution to Motion Controlled Landscape Lighting.
How to Wire a Control Switch for a Water Pump – The 3 way switches could control the pump directly or they can be used for a control circuit which could activate a relay that would control the Goulds water pump.
When the 24V is applied to the relay the relay just “Buzzes” but contacts in the relay don’t close to pass through the 240V AC. The relay has a manual test button and if I press this everything works fine…