Does Smart Plug work without ground prong? Anoop June 03, 2020 20:15 Updated No, our Brilliant Smart Plug requires that you have a ground prong Related articles Do I need an Alexa device in the home to control the outlet while we're away? Will Plug work without a Brilliant Smart Switch or Control? How does Brilliant Smart Plug communicate with Control and Switch? What colors does Smart Plug come in? Identifying Wires on Your Old Switch Comments 0 comments Please sign in to leave a comment.