Lighted medicine cabinet – Turn off the power to the room in the fuse box. Remove existing appliance from the wall by removing the screws and disconnect the wiring. Defend his new lighted mirror in front of the open electrical box on the wall, the mirror tilts back so you can work with the box. Connect the cables from the box corresponding wires on the back of the mirror, holding both ends of the cable next to each other and rotating a wire connector over the two, then wrap the connection with electrical tape. In general, there will be a black and a white wire coming out of the box, you have to connect lighted medicine cabinet to the black and white wires on the back of the mirror.
If there is a grounding wire bare copper exiting the electrical box, screw hook around the green grounding of the electrical unit in the back of the mirror, and tighten the screw.
Mount the lighted medicine cabinet on the wall according to the instructions that came with it. In most cases, there will be a mounting bracket which is screwed into the electrical box and then holding the mirror unit-and-lighting. Bring light bulbs and turn on the power.