How to Install the Automatic Pop Up Socket
1.Contact a local electrical inspector to make sure that this product meets or exceeds all local electrical codes
2.Make sure there is adequate space to install (see below: CUT OUT AND MOUNTING STEPS)
3.Disconnect and turn off all power sources.
More information please see the below link：
https://www.hkram.com/desk-power-outlet/pop-up-usb-outlet/automatic-pop-up-socket.html