What You'll Need
- TP-Link Tapo S505 Smart Switch
- Screwdriver
- Wire stripper/cutter
- Voltage tester
- Smartphone with Tapo app
- 2.4GHz Wi-Fi network
- Neutral wire (required)
Step 1: Turn Off Power
Switch off the circuit breaker controlling the switch. Verify with a voltage tester that no power is present.
Step 2: Remove Old Switch
Remove the wall plate and unscrew the existing switch. Document wire positions before disconnecting.
Step 3: Connect Wiring
Connect the Tapo switch wires: Line (black), Load (black), Neutral (white), Ground (green). Secure all connections with wire nuts.
Step 4: Install Switch
Push wires back into the box. Secure the switch and install the cover plate.
Step 5: Power On
Restore power at the breaker. The switch LED should indicate power.
Step 6: App Setup
Open the Tapo app, add a new device, and connect the switch to your Wi-Fi network following the in-app instructions.
Features
- On/Off Control: Simple smart switching
- Scheduling: Set automated schedules
- Voice Control: Alexa and Google Assistant
- Away Mode: Simulate presence when away
- Energy Monitoring: Track power usage
Troubleshooting
- No power to switch: Check breaker and wire connections
- Won't connect: Ensure 2.4GHz Wi-Fi network
- Physical button not working: Check load wire connection