Sensational Light Switch With Only 2 Wires

The whites neutrals should be connected together.

Light switch with only 2 wires. In one position the com and l1 are connected while in the second position the com and l2 are connected. The third wire should be the ground wire and is usually colored green or bare wire. Your switch is opening and closing the circuit to allow power to your light.

Load goes to the load such as a light. This is why most of the so call 2 wire smart switch in the market is not really 2 wire ready unless you are still using incandescent lamp at your home. All white wires of the three switches are joined inside the box.

At least in new wiring that s how it works. The blue wire is known as the switched live and takes power to the light. And you break the tab off the hot side of the switch recep combo.

First up a switch only ever has two wires minus the ground unless it s a multi way. These two new wires go to the receptacle side neutral to the taller pin side. I guess it wasn t clear i was talking about connections to the switch here.

Line comes from the breaker. Live connected to downstairs circuit and neutral connected to upstairs circuit. For a smart tips you are highly recommended to check the capability of supporting low power led bulb when you are choosing an electronic switch which can be used with 2 wire no neutral wire installation.

The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. The tiny current flow through the low power consumption bulb design for the mcu then make also the led bulb flicker or with ghost light. A standard 2 wire lighting circuit is shown in figure 1.