How to Fit a Smart Switch
Quick Answer
Connect the live, neutral, and load wires to the smart switch, and pair with your app.
How to troubleshoot How to Fit a Smart Switch
Smart switches allow remote control of lighting. This guide covers installing a smart light switch.
Step-by-Step Fix
- Turn off power at the consumer unit and verify dead.
- Remove the old switch and identify the wires.
- Connect the live wire to the Line terminal.
- Connect the neutral wire to the Neutral terminal (required for most smart switches).
- Connect the load wire to the Load terminal.
- Mount the switch and restore power.
- Follow the app to connect to Wi-Fi.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Switch not powering on | Neutral wire missing | Use a no-neutral smart switch or add a neutral wire. |
| Wi-Fi connection fails | Signal or app issue | Check Wi-Fi signal and follow app instructions. |
Frequently Asked Questions
Do all smart switches need a neutral wire?
Most do, but some models work without a neutral.
Can I install a smart switch on a 2-way circuit?
Yes, but requires specific wiring configuration.