Do the Powermesh devices fit inside a wall box? 31 May 2021 06:06 Updated Yes, they will typically fit. Please refer to the product data sheet for product dimensions. Related articles What is the standby power usage of Powermesh devices? Can I control each Power Point socket separately? Double Power Point How to install the Powermesh Light Dimmer Can I have multiple Light Dimmers or Switches control the same lights?