I have a three gang box, dimmable, switch, switch. I want to use a wifi capable switch, but it comes with all three switches in a single gang switch. How do you use the existing 3 gang box with only one gang switch now?

  • more specifically, a coverplate to make it look right. – Jay Jan 23 '18 at 18:48

The simplest way is to install blanks into the unneeded openings, they are commercially available:

enter image description here


Get a switch plate that has 2 blank spaces in it, like this one (link for illustration only, not a recommendation):

switch cover

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