Does the iotty Smart Switch Require a Ground Wire? November 07, 2019 04:37 The iotty Smart Switch does not make use of the ground wire so it can simply be tucked into the box. Related articles What Do I Do If I Have More than 3 Switches in a Single Electric Box? Does the iotty Smart Switch Require a Neutral Wire? Does the iotty Smart Switch Dim? Does the iotty Smart Switch Work in a 3 Way or 4 Way Setup? Do You Offer Bulk Discounts?