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Three-Way Switches

This tutorial teaches you how to model three-way switches using the Add Switch to Switch Group command.

Open drawing E-1.1.

Insert Light Fixtures​

Use the Insert Light Fixture command to insert light fixtures in the theater.
Ribbon: DM Electrical→Devices→  Insert Light Fixture
Pulldown Menu: DM Electrical→Light Fixtures→Insert Light Fixture

Insert Switches​

  1. Run the Insert Switch command. The Insert Switch dialog box will open.
    Ribbon: DM Electrical→Devices→  Insert Switch
    Pulldown Menu: DM Electrical→Switches→Insert Switch

  2. Set the switch type to Threeway Switch.

  3. Press the button to close the dialog box.

  4. Follow the prompts at the command line to insert a switch on the two ends of the theater.

Connect Switches to Each Other​

  1. Run the Add Switch to Switch Group command.
    Ribbon: DM Electrical→Devices→  Add Switch to Switch Group
    Pulldown Menu: DM Electrical→Switches→Add Switch to Switch Group

  2. Select one switch, then select the other switch.

The two switches will be linked together.

Connect Light Fixtures to Switches​

  1. Run the Connect Device to Switch Group command.
    Ribbon: DM Electrical→Devices→  Connect Device to Switch Group
    Pulldown Menu: DM Electrical→Switches→Connect Device to Switch Group

  2. Select either of the switches.

  3. Select all of the light fixtures.

Circuit Switches and Light Fixtures​

  1. Run the Circuiting command. The Circuiting dialog box will open.
    Ribbon: DM Electrical→Circuit and Homeruns→  Circuiting
    Pulldown Menu: DM Electrical→Circuit and Homeruns→Circuiting

  2. Set Distribution Equipment ▾ to L1.

  3. Select a circuit that is currently a space.

  4. Press the button.

  5. Select either of the switches.

Both switches and all of the devices will be connected to the circuit.

Draw Loops and Tickmarks​

  1. Run the Draw Homerun and Loops command.
    Ribbon: DM Electrical→Circuit and Homeruns→  Draw Homerun and Loops
    Pulldown Menu: DM Electrical→Circuit and Homeruns→Draw Homerun and Loops

  2. Select a switch or a light fixture.

  3. Follow the prompts at the command line to insert the loops and homerun.

Notice that the loops include tick marks for the switch leg and travelers.