Most smart switches require neutral wires, which may not be present in older UK properties. Some smart switches work without neutral wires but have limitations. Always check product specifications and consult a qualified electrician. Smart switches must comply with BS 7671 and be installed by qualified electricians.

Yes, but you need a smart dimmer switch specifically designed for LED lighting, not a standard smart switch. LED-compatible smart dimmers are designed to work with the lower power requirements of LED lights. Always check product compatibility and ensure your LED lights are dimmable. Some smart dimmers require specific LED types or minimum load requirements.

Common smart home protocols include Wi-Fi, Zigbee, Z-Wave, and Bluetooth. Wi-Fi devices connect directly to your router but can congest your network. Zigbee and Z-Wave create separate mesh networks for better reliability and lower power consumption. Bluetooth is typically used for short-range connections. Choose based on your needs, existing infrastructure, and device compatibility.