Installing Your Tuya WiFi Smart Light Switch

Intermediate 20-30 minutes

What You'll Need

  • Tuya WiFi Smart Light Switch
  • Neutral wire (required for most models)
  • Single-pole light circuit
  • Smartphone with Tuya Smart or Smart Life app
  • 2.4GHz Wi-Fi network
  • Screwdriver and wire strippers
  • Voltage tester

Step-by-Step Setup

  1. Turn off power: Switch off the circuit breaker for the light switch. Verify with voltage tester.
  2. Remove existing switch: Unscrew faceplate and switch. Note wire positions before disconnecting.
  3. Identify wires: Locate line (hot), load (to fixture), neutral (white bundle), and ground.
  4. Connect the Tuya switch:
    • L (Line) → Hot wire from panel
    • L1 (Load) → Wire to light fixture
    • N (Neutral) → Neutral bundle
    • Ground → Ground wire
  5. Secure connections: Use wire nuts and ensure all connections are tight.
  6. Mount the switch: Carefully fold wires and install switch in electrical box. Attach faceplate.
  7. Restore power: Turn on circuit breaker. Switch indicator should light up.
  8. Download Tuya Smart app: Install and create an account.
  9. Add the switch: Tap "+" → "Electrical" → "Switch" → select your model.
  10. Enter pairing mode: Press and hold the switch button until the indicator blinks rapidly.
  11. Connect to Wi-Fi: Follow app prompts to connect to your 2.4GHz network.

Key Features

  • Wi-Fi connected (no hub required)
  • Touch or physical button control
  • Scheduling and timers
  • Works with Alexa and Google Assistant
  • Scene and automation support
  • Status LED indicator
  • Remote control via app
  • Multiple gang options available

Troubleshooting

  • Switch not powering on: Verify all wire connections. Ensure neutral is connected. Check circuit breaker is on.
  • Won't enter pairing mode: Press and hold for 5+ seconds. If using touch panel, ensure it's responsive. Try power cycling.
  • Wi-Fi connection fails: Only 2.4GHz supported. Check password. Move router closer during setup.
  • Switch clicks but light doesn't turn on: Check load wire connection. Verify the light bulb works. Test with a different bulb.
  • LED indicator too bright: Some models allow dimming the indicator in app settings. Check device settings.