We recommend that you use any of the following standard 1 Gang in-wall junction boxes (or
their equivalent):
• US-D: 1 Gang US electrical junction boxes.
• EU: 1 Gang in-wall junction box, with a cut-hole diameter of 68mm and depth that can fit
in both the device and the connected cables (DIN 49073).
• UK: 1 Gang in-wall junction box, 75x75mm (W, H) and depth that can fit in both the
device and the connected cables (BS 4662 or BS EN 60670-1 used with supplied
spacers and screws).