You would use one of the dark colored screws with one of the light colored screws. Connect the ground green wire on the switch with the ground green label wire from the wall.

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Single pole 3 way switch wiring. How to wire a three way switch to a existing single pole light switch circuit. 5641 to be installed andor used in accordance with appropriate electrical codes and regulations. To use a three way switch as a single pole one connect the hot wires to the common terminal and the traveler on the same side of the switch body. You can wire a 3 way switch as a sigle pole switch by finding which screw terminals work together. Instructions for 3 way and single pole switches using nm cable. Turn off the correct circuit at your electrical panel.
Add an electrical box for the second 3 way switch in the basement. They have two screw terminals plus a ground screw. Line voltage supplying both 3 way and single pole switches. The other terminal is for a second hot wire called a switch leg that runs only between the switch and the light fixture. Cap the 3 waymulti way traveler wire if applicable. Incorrectly connecting the ground wire from the wall to the ground wire on the switch will damage the product.
Its likely youll also need to replace the. 3 wire nm cable from 3 way to 3 way normal 3 way wiring. 15a 120277vac installation instructions pk 93604 10 00 0a standard style switch decora style switch warnings and cautions. Its likely youll also need to replace the. Dominick amorosso decemberj2012 110 volt electrical 11 comments 24225 views in this video i explain just how easy it is to add a three way switch to an existing single pole one switch lighting circuit. Single line hot single pole and 3 way switch standard style cat.
5241 decora style cat. One screw terminal is for the hot wire that feeds the switch from the power source. Either way complete these five steps for 3 way light switch wiring. If youre installing a 3 way click here for instructions. Single pole switches are the most common light switches in a home. You dont need the other terminal on the three way switch so its fine to cover it over with electrical tape to ensure the terminals dont get mixed up.
2 wire from single pole to single pole for line and neutral 2 wire from each single pole load side to light.