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A typical switch doesn't have a Common screw in the strictest sense, it just has two screws which are each side of the switch. You probably have a a 3-way switch. If you are hooking up a 3-way switch as a normal switch, then connect the Black (Hot) wire to the common and the load to the side of the switch that makes UP the on direction and DOWN is off and doesn't get connected.

You can determine for sure if you have a 3-way switch because the word ON and OFF don't appear on the toggle.

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12y ago
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4w ago

The common wire is typically black and goes on the black screw terminal of a wall switch. If the wire is white, it should be reidentified as a hot wire with black tape before connecting to the switch.

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Q: When wiring a wall switch which color wire goes on the common terminal screws?
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How do you replace a 3 way switch?

To replace a 3-way switch, start by turning off the power at the circuit breaker. Remove the cover plate, unscrew the switch from the electrical box, and disconnect the wires. Connect the wires to the new 3-way switch, ensuring you match the wire colors and placements as in the old switch. Screw the new switch back into the electrical box, replace the cover plate, and turn the power back on to test the new switch.


Where do wires go on solenoid switch?

Wires are typically connected to a solenoid switch by attaching the positive wire to the terminal connected to the battery and the negative wire to the ground terminal. It is important to consult the manufacturer's wiring diagram to ensure correct and safe installation.


How do you change a hazard switch on a proton persona?

To change the hazard switch on a Proton Persona, you typically need to remove the trim piece surrounding the switch and then locate the mounting screws that hold the switch in place. Once the screws are removed, disconnect the wiring harness and replace the switch with a new one. Be sure to test the new switch before reassembling the trim piece.


Does the red wire go where the switch is marked common?

No, the red wire typically does not go to the terminal marked "common" on a switch. The common terminal is usually for the line or hot wire. The red wire is often used as a traveler wire in a three-way switch configuration.


Do you connect both wires on a pull chain switch one to black one to white?

No, when connecting a pull chain switch, typically the black wire is connected to one terminal of the switch, and the white wire is connected to the other terminal. It's important to follow the wiring instructions provided with the switch to ensure proper installation.

Related questions

What does common mean in terms of wiring IE hot neutral ground line NO NC?

In terms of hot,neutral,ground, the neutral is classed as the common. In regards to a switch which has a NO, NC, C. This is classed as a C form switch. It has a common terminal, a normally open terminal and a normally closed terminal. Depending on the position of the switch handle the circuit can be either open or closed.


How did they use to wire two on off switches to one fixture?

You need two 3-way switches. To see a diagram use your favorite search engine and search for 3-way switch wiring. Each switch has a common connection point and two other terminals. Basically connect the "other" terminal on 1 switch to either "other" terminal on the second switch and then do it again for the remaining "other" terminal. Then connect the common on one switch to the fixture and the common on the remaining switch to supply voltage. Tie neutral and ground for fixture and supply to the white and bare wires respectively.


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Pop out the switch panel and remove the two screws disconnect the wiring and reinstall the new switch


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To replace a 3-way switch, start by turning off the power at the circuit breaker. Remove the cover plate, unscrew the switch from the electrical box, and disconnect the wires. Connect the wires to the new 3-way switch, ensuring you match the wire colors and placements as in the old switch. Screw the new switch back into the electrical box, replace the cover plate, and turn the power back on to test the new switch.


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Remove the heater control switch decorative cover. Remove the retaining screws. Remove the wiring harness. Reverse the process to install the new switch.


Where do wires go on solenoid switch?

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How do you change a hazard switch on a proton persona?

To change the hazard switch on a Proton Persona, you typically need to remove the trim piece surrounding the switch and then locate the mounting screws that hold the switch in place. Once the screws are removed, disconnect the wiring harness and replace the switch with a new one. Be sure to test the new switch before reassembling the trim piece.


How do you change the dimmer switch 94 chev truck?

The dimmer switch is located near the floor on the left side of the steering column. The dimmer switch and ignition switch are secured by the same two screws. The dimmer switch will be the one on top. Loosen and remove the screws, disconnect the wiring harness from the dimmer switch and replace with the new switch, complete the assembly in reverse order.


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A two way switch is required for staircase wiring. A staircase switch will have two terminals. Connect the line wire with the center terminal. Connect the two ends of a wire with the top two terminals and two ends of a wire with the bottom two terminals. The line wire at the center terminal can now be connected with one terminal of the light bulb or light holder.


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I would wire them using a common relay and a ground switched circuit i.e. Terminal #30 Hot Terminal #87 Load Terminal #85 Hot Terminal #86 Switched to Ground


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Remove the decorative cover to the window switch panel. Remove the window switch retaining screws. Remove the wiring harness from the back of the window switch. Reverse the process to install the new window switch.


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Remove the temperature control switch wiring harness. Remove the temperature control switch retaining screws. Reverse the process to install the new temperature control switch.