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Introduction

This guide documents the process of replacing a Three-way switch since the three-way switch that allows two switches to control the same device is common in the house. The key difficulty in this guide is distinguished two black wires but totally different usage on the same switch. The screws on the wall plate are 15mm flathead screws. The screws on the switch are Phillips #1 screws. Please ensure you wear insulated gloves and turn the power off before you process.

  1. Locate and turn off the circuit breaker for your switch. Try to turn the switch to ensure you turn the power off.
    • Locate and turn off the circuit breaker for your switch.

    • Try to turn the switch to ensure you turn the power off.

  2. Use the screwdriver to remove the 15mm Flathead screws on the wall plate.
    • Use the screwdriver to remove the 15mm Flathead screws on the wall plate.

    • Remove the wall plate from the wall.

  3. After you wear insulated gloves, gently pull out the switch and use a voltage detector to ensure no power is going to the switch. Please ensure you wear insulated gloves before this step!
    • After you wear insulated gloves, gently pull out the switch and use a voltage detector to ensure no power is going to the switch.

    • Please ensure you wear insulated gloves before this step!

  4. Label the black live or load wire which connects to the power or the device and usually on the down position of the switch. Use the screwdriver to loosen the 5mm Phillips #1 screw so that you can remove the live or load wire from the switch. Use the screwdriver to loosen the 5mm Phillips #1 screw so that you can remove the live or load wire from the switch.
    • Label the black live or load wire which connects to the power or the device and usually on the down position of the switch.

    • Use the screwdriver to loosen the 5mm Phillips #1 screw so that you can remove the live or load wire from the switch.

  5. Label the two traveler wires where the up position is held by gold screws of the old switch. Label the two traveler wires where the up position is held by gold screws of the old switch.
    • Label the two traveler wires where the up position is held by gold screws of the old switch.

  6. Use the screwdriver to loosen the 5mm Phillips #1 screws so that you can remove these two traveler wires. After the wires are removed, disconnect the old switch. After the wires are removed, disconnect the old switch.
    • Use the screwdriver to loosen the 5mm Phillips #1 screws so that you can remove these two traveler wires.

    • After the wires are removed, disconnect the old switch.

  7. You will find there are one or two wires left in the outlet box. Ground wire is the bare copper wire.
    • You will find there are one or two wires left in the outlet box.

    • Ground wire is the bare copper wire.

    • The white one is the neutral wire that may be in another outlet box.

    • Please label the neutral wire and the ground wire.

  8. Using your new switch, link two traveler wires to the positions with gold screws of the new switch and tighten the 5mm Phillips #1 screws. Link the live or load wire to the position with a black screw and tighten the 5mm Phillips #1 screw. Please ensure you link the wires to the correct places.
    • Using your new switch, link two traveler wires to the positions with gold screws of the new switch and tighten the 5mm Phillips #1 screws.

    • Link the live or load wire to the position with a black screw and tighten the 5mm Phillips #1 screw.

    • Please ensure you link the wires to the correct places.

  9. If there is a green 5mm Phillips #1 screw on the new switch, please link the ground wire to and tighten it. For the intelligent switch, there would be a green wire so that you can group the ground wire with the green wire and tighten them with a wire nut.
    • If there is a green 5mm Phillips #1 screw on the new switch, please link the ground wire to and tighten it.

    • For the intelligent switch, there would be a green wire so that you can group the ground wire with the green wire and tighten them with a wire nut.

  10. There is an extra white wire on the intelligent switch. Group the neutral wire with the white wire  and use the wire nut to tighten them.
    • There is an extra white wire on the intelligent switch.

    • Group the neutral wire with the white wire and use the wire nut to tighten them.

  11. Turn the power on and check whether the new switch works. Gently push the wires back to the outlet box while you need to leave some space for the switch. Secure the new switch with the 10mm Phillips #1 screws.
    • Turn the power on and check whether the new switch works.

    • Gently push the wires back to the outlet box while you need to leave some space for the switch.

    • Secure the new switch with the 10mm Phillips #1 screws.

    • Finally, secure the wall plate.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Tao Zhuo

Membre depuis le 19/01/2021

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Équipe

York University, Team S1-G30, Melo-Thaiss Winter 2021 Membre de l'équipe York University, Team S1-G30, Melo-Thaiss Winter 2021

YORK-MELO-THAISS-W21S1G30

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1 tutoriel rédigé

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