Panasonic KX-TA308 Installation Manual page 48

2.22 Starting the System for the First Time
Plug Adaptor
The plug adaptor (included) is to be used if the power plug will not fit your socket.
Assemble as shown below, using the plug which fits your socket. In this case, be sure to
connect the frame of the main unit to ground because the ground line in the power cable
cannot be used.
2-32
Installation
Power Plug Plug Adaptor
To Power Outlet