Lab

Three-way Switch or How To Turn a Light On or Off From Either End of A Long Hallway Regardless Of The Position Of The Other Switch.

An interactive switch, battery and lamp circuit built in the DCACLab online simulator by Sam Watson. Open it to run the simulation and measure it.

Preview of Three-way Switch or How To Turn a Light On or Off From Either End of A Long Hallway Regardless Of The Position Of The Other Switch.
Open in the lab Embed The simulation runs as a demo that pauses after two minutes; open it in the lab to keep going.

What's inside

  • 1× Battery (1 V)
  • 2× Switch
  • 1× Lamp

Tags

Battery Switch Lamp

About

By Sam Watson
Saved December 24, 2014 · updated January 15, 2026
7,459 views
Page: dcaclab.com/circuits/10220-three-way-switch-or-how-to-turn-a-light-on-or-off-from-either-end-of-a-long-hallway-regardless-of-the-position-of-the-other-switch

Embed this circuit

<iframe src="https://dcaclab.com/experiments/10220-three-way-switch-or-how-to-turn-a-light-on-or-off-from-either-end-of-a-long-hallway-regardless-of-the-position-of-the-other-switch/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: Watson, S. (2014). Three-way Switch or How To Turn a Light On or Off From Either End of A Long Hallway Regardless Of The Position Of The Other Switch. DCACLab. https://dcaclab.com/circuits/10220-three-way-switch-or-how-to-turn-a-light-on-or-off-from-either-end-of-a-long-hallway-regardless-of-the-position-of-the-other-switch

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