Leaving the wall box are four wires two blue and two orange. It is one black wire from the power source hot wire and a black wire from the neighboring switch.
2 Wire Switch Loop Controlling 2 Outlets Replacing With 3
How to change a light switch with 2 wires. Connect the wires to the new switch. The blue wires were connected to the two terminals marked l. Then use a voltage tester to make sure that the circuit is dead. Unscrew the switch from the electrical box and pull it out with the. Most dimmer switches come with wires already attached. Community answer connect the one black wire to the bottom dark screw of the other already wire configured switch.
If any of the wires seem weakened trim and re strip the end of the wire to meet your needs. How to replace a light switch ultimate handyman diy tips duration. The orange wires were connected to the terminals marked 4 2. To replace this kind of switch follow these steps. You will see two black lead wires and one green grounding wire. The switch was working perfectly when i started to change it this is purely for cosmetic reasons.
Inspect the quality of the wires. Turn off the power to the switch at the main circuit breaker or fuse panel. Attached the pigtail to the side of the bottom screw terminal of the switch. All of the new replacements have 2 wires on. This house is over 100 years old and we dont know when this very old light switch was put in. If the length of the two wires is long enough you can trim them shorter and use one of the cut wires for the pigtail.
How to splice wires how to solder how to crimp wire connectors duration. A yellow or red wire nut can be used for this splice. Identify the three different colored wires and attach the new light switch to the wires in the same way they had been attached to the old switch. Both old and new switches are manufacture by legrand. The actual outside switch just broke right off yesterday. Strip 12 inch of insulation from each to expose the wire.
Unscrew and remove the switch plate. Essentially 2 black wires are attached to the bottom dark screw of one switch.