Alt. 2
a Disconnect the mains power.
b Fix the adaptor in the box.
c Disconnected the power wire (1) from the terminal (3), and protect the power with insulated tapes.
d Connect the adaptor wire (2) to the terminal (3).
e Connect mains power to the adaptor.
Note: This setup must be performed by a licensed electrician.
1
Power wire
2
Adaptor wire
3
Terminal