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Wiring and technical diagrams

Connecting a Shelly 1L to a two-way switch

January 24, 20221 min read

Previous model. This guide was written for the Shelly 1L, which has been replaced by the Shelly 1L Gen3. The wiring is the same, and the settings are in the same places in the Shelly Smart Control app. Go to the Shelly 1L Gen3 →

Wiring diagram

Shelly 1L wiring with a two-way switch

Legend

  • This connection uses the existing wiring of any standard two-way switch, with no need to pull additional cable.
  • Setup:
  • To configure it, tap the device in the app > Settings > Settings:
  • All done 🙂

Settings in the app

1

Note: a bypass is required for bulbs rated under 20 W.

2

Mode: choose Relay.

3

Power On Default Mode: choose Restore Last Mode.

4

Device Type: choose Light, or the option that matches your load.

5

Button Type:

  • With a standard toggle switch: choose Edge Switch.
  • With a push button (spring-return switch): choose Momentary.

How to choose "Edge" in the new app, with screenshots: The full guide →

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