Can I Connect the Neutral Terminal (marked WH) to Ground? February 06, 2019 17:39 Updated Follow Connecting neutral to ground is safety hazard and a violation of National Electric Code (NEC). Related articles Do Decora Smart Z-Wave Devices Automatically Exit Programming? I have two switches that control one light. Do I need to replace both switches? Do I need a Neutral Wire for In-Wall Devices? What bulb types do Decora Smart Z-Wave dimmers support? How can I get assistance?