Attach the black power cable from the wall to the general screw black in the three way light switch. Connect a three way switch the ground wires and all other wires following figure b.

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How to hook up a 3 way switch. White this is a neutral wire paired with the black. With wire strippers put. With a sharp knife or slitting tool slit the outer sheathing being very careful not to cut the insulation covering the. Make sure your fuse is turned off while. Clamp the first electrical box to the wall. Cut the cable to the proper length using linemans pliers or a hacksaw.
Connect the wires to the new 3 way switches with ground screws using one of the two wiring diagrams fig. If it carries a current we recommend you put black electrical. The black electrical tape on the white wire indicates that its a hot rather than a neutral. Red this is a switch wire or. Of insulation from the end of each wire then connect the wires following figure b and photo 5. With the proper tools and safety precautions anyone can do this.
How to wire a 3 way switch black this is a hot wire meaning that power is running through this wire. Hook the curled end of the wire under the screw then tighten down the screw to hold the wire firmly in place. Peel back the sheathing and trim it square. Here is the procedure to follow. This video shows step by step instructions on how to install a 3 way switch. This project starts with wires on new construction.