We have provided a wiring diagram below if you are using a PIXIE Smart Switch – SWL350BT, STS350BT, SWL600BTAM, STS600BTAM   Preferred Devices for Switching Contactors     This Dual Relay Control device has no minimum load requirement – like the PIXIE smart switches do – and hence there is no need to use capacitors … Continue reading How do you wire a relay or contactor with an SWL350BT Smart Switch?