Note that the above color scheme does not reflect wire color. Extending the switch leg over to the common as shown in the photo above or extending the hot over to the common as described below.

How Do You Wire A 3 Way Switch Diagram Wiring Diagram Beta
How to wire a dead end 3 way switch. A dead end 3 way switch wiring method. There are 2 variations of dead end 3ways. If one switch is up and one is down the current reaches a dead end no current flows and the bulb is off top left and bottom left. The three way switch is a variation of the standard single pole switch which controls a light only from one locationa third type is the four way switch which is used in conjunction with two three way switches to control lighting from more than two locationsthis configuration may be used in open plan homes or in large kitchens or great rooms where a central bank of lighting fixtures might. It is functional coloring intended to illustrate the voltage state of each wire segment. From there 3 wire cable runs to the dimmer in the second box and 2 wire cable runs from the dimmer to the light at the end of the circuit.
There are 2 variations of dead end 3ways. The source neutral is spliced through to the light fixture using the white cable wires at each box. Three way 3 way switches are used to control one or more lights from 2 locations such as on a staircase at the top and bottom or on both ends of a hallway. In this circuit the source hot is connected to the common terminal on the 3 way switch in the first box. This video explains the wiring diagram. This method is commonly used by professional electricians.
A dead end 3 way switch wiring method. Extending the switch leg over to the common as shown in the photo above or extending the hot over to the common as described below. This method is commonly used by professional electricians.