It is just one of those essential skills that every diyer should be feel confident doing. To illustrate the wiring of these switches switch boxes and fixture boxes are not shown but are obviously required for every application.
2 Way Switch With Power Feed Via The Light Switch How To
Electrical wiring a light switch. Before doing any wiring plug the radio into other outlets you plan to work on. Assuming it is a steel box. If the light switch has a ground screw on it usually green and at the bottom of the switch connect it now. Another nm cable connects from the light fixture box to the switch box. For lights turn the light switch on and off to be sure. These diagrams are shown as using the romex wiring method.
To be safe test both the top and bottom with the radio. The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer remote control or other programmable switch. 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. Wiring a light switch is probably one of the simplest wiring tasks most homeowners will have to undertake. Understanding the basic light switch for home electrical wiring. Some duplex outlets can have different circuits running to adjacent outlets.
With alternate light switch wiring an nm cable supplies line voltage from the electrical panel to a light fixture outlet box. This is an updated version of the first arrangement. With the power coming to the switch and then going to the lights you will notice that there are two black wires two white wires and two ground wires bare wires. The easiest wiring of a light switch you can do is with a single pole standard light switch. First of all we should connect the ground wires to the box. Because the electrical code as of the 2011 nec update requires a neutral wire in most new switch boxes a 3 wire cable runs between the light and switch.