By Adam Sims. Electrical Wiring Diagram Published at Sunday, February 04th 2018, 11:55:20 AM.
There are three fundamental types of light switches. The very first is an easy, single light button.
The most convenient way for three-way switches is to put the light between the two switches. You need to look very closely at an electrical wiring layout to understand.
The wire ought to be 12.2 Romex right as much as the very first button, then run 12.3 Romex to the light and then on the 2nd button. The 12.3 Romex has an additional cable called a traveler (typically red), which is required for 3-way switches.
At the very first button, the 12.2 Romex from the circuit run goes into all-time low of the button box and also the hot (black) wire attaches to the bottom ideal terminal on the button.
The 12.3 Romex goes into via the top of the button box. The hot traveler (red) cable attaches to top left terminal on the button. The black (hot) cable attaches to the top ideal terminal on the button.
The 12.3 neutral (white) cable attaches directly to the 12.2 neutral cable with cable nuts and also the copper ground cables are additionally connected along with cable nuts. At the light box, you ought to have 2 ends of 12.3 Romex hanging out. One end originates from the very first button the other end originates from the 2nd button.
First link the copper ground cables along with a cord nut to obtain them out of the way, and then link the two red traveler cables along with a cord nut too.
Currently locate the black cable originating from the very first box and also the white cable originating from the 2nd box and also link them along with cable nuts. Currently, this is very important, you have to note each end of the white cable by wrapping it with black electric tape. This implies you have made it a hot wire. This is a code requirement! It prevails practice for 3 and also 4-way switches.
Currently, at the 2nd button, you will link the red traveler cable to the top left terminal. The white, cable now classified as black with tape, attaches to the top ideal terminal. The black cable will link to the reduced ideal terminal screw. If it's a metal box or the eco-friendly ground screw on the button if the box is plastic, the copper cable will link to the box.
The light box ought to now have a black cable and also a white cable sticking out which is just what you will have to link the light to. The hot traveler (red) cable attaches to top left terminal on the button. The black (hot) cable attaches to the top ideal terminal on the button.
Currently, at the 2nd button, you will link the red traveler cable to the top left terminal. The copper cable will link to the box if it's a metal box or the eco-friendly ground screw on the button if the box is plastic.
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