The switch still breaks the circuit but in this case the smart switch can tap into the neutral wire to keep power flowing through the switch the electronics in the switch still break the circuit to the light but the switch maintains a circuit so it is always receiving power. Just click the wiring diagrams.

How To Connect A 2 Way Switch With Circuit Diagram
Light switch wiring diagram with neutral. Black wire power or hot wire white wire neutral bare copper ground. Wire a light switch video tutorial guide. The bare hopefully solid copper wire is the ground. The source is at sw1 and 2 wire cable runs from there to the fixtures. Here is a diagram of a standard switch with a neutral wire. Red and blue wires link traveler terminals of both switches.
In this diagram power enters the fixture box. Fully explained wiring instructions complete with a picture series of an installation and wiring diagrams can be found here in the gfi and light switch area here in this website. This simple diagram below will give you a better understanding of what this circuit is accomplishing. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture. The black hot wire connects to the far right switchs common terminal. Adding a neutral wire to a light switch will require you to find where the neutral wire is located in your lighting circuit and then route that neutral wire back down to your light switch.
The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light. The above wiring a light switch connection is too simple. When wiring a 2 way switch circuit all we want to do is to control the black wire hot wire to turn on and off the load. No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wiring diagram light fixture between switchesline voltage enters the first 3 way switch outlet box light fixture is located between switch boxesno longer allowed after 2011 nec if no neutral wire in switch boxes. This is a diagram of a switch with a neutral. Another nm cable connects from the light fixture box to the switch box.
How to wire a gfci and outlet to a light switch. With alternate light switch wiring an nm cable supplies line voltage from the electrical panel to a light fixture outlet box. You need to connect your neutral wire to light socket and hot wire to the switch and from the switch you connect the wire to light bulb socket other free terminal and ground wire to the one way switch earthling point as i shown in the below diagram. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box. Multiple light wiring diagram this diagram illustrates wiring for one switch to control 2 or more lights. Questions about wiring switches.
The black hot connection is broken to turn the light onoff the white neutral connection completes the circuit. In the diagram below right a 2 wire nm cable that connects the light fixture to the switch carries 2 line wires one line and one switched line.