What You'll Need

TP-Link Tapo S500D Smart Dimmer Switch
Screwdriver
Wire stripper/cutter
Voltage tester
Smartphone with Tapo app
2.4GHz Wi-Fi network
Neutral wire (required)

Step 1: Turn Off Power

Turn off the power at the circuit breaker. Use a voltage tester to confirm power is off before proceeding.

Step 2: Remove Existing Switch

Remove the cover plate and unscrew the existing switch from the electrical box. Note the wire connections before disconnecting.

Step 3: Identify Wires

Identify your wires: Line (hot/power), Load (to fixture), Neutral (white), and Ground (green or bare copper). A neutral wire is required for this switch.

Step 4: Connect Wires

Connect the switch wires to your home wiring: Line to Line, Load to Load, Neutral to Neutral, Ground to Ground. Use wire nuts or push connectors to secure connections.

Step 5: Mount the Switch

Carefully push wires into the box and secure the switch with screws. Install the cover plate.

Step 6: Restore Power

Turn the breaker back on. The switch LED should illuminate indicating power.

Step 7: Set Up in App

Download the Tapo app. Create an account and tap "+" to add a device. Follow prompts to connect the switch to your 2.4GHz Wi-Fi.

Features

Dimming Control: Smooth 0-100% dimming
Physical Button: Manual dimmer control on switch
Schedules: Set on/off and dimming schedules
Voice Control: Works with Alexa and Google
Away Mode: Random on/off for security

Troubleshooting

Flickering lights: Ensure bulbs are dimmable LED-compatible
No power: Check breaker; verify wire connections
Won't connect: Must use 2.4GHz Wi-Fi; check password
Dimming issues: Adjust minimum brightness in app settings