Can I Connect the Neutral Terminal (marked WH) to Ground? December 02, 2020 17:25 Updated Follow No. Connecting neutral to ground is safety hazard and a violation of National Electric Code (NEC). Related articles Can I install Decora Smart® Wi-Fi in a metal box? Do I need a Neutral Wire for In-Wall Devices? How do I know if I have a Neutral? I have two switches that control one light. When installing Decora Smart® Wi-Fi devices do I need to replace both switches? After installing device and applying power, it doesn't function and the LED doesn't turn on