Can I Connect the Neutral Terminal (marked WH) to Ground? September 28, 2021 16:16 Updated Follow No. Connecting neutral to ground is safety hazard and a violation of National Electric Code (NEC). Related articles Do I need a Neutral Wire for In-Wall Z-Wave Devices? How do I know if I have a Neutral? Updating Decora Smart Z-Wave Using Home Assistant DZPA1-2BW: 15 Amp Z-Wave Plug-in Outlet My Decora Smart® Z-Wave Device Powers On, but I'm Unable to Control my Light