This appliance should not be installed by anyone except properly qualified service personnel.
You will need two people to install this appliance. It is heavy and could cause personal injury if not handled properly.
Avoid Electric Shock.
Before you drill into the wall, note where electrical outlets are and where electrical wires might be concealed behind the wall. You could get an electric shock if you contact electrical wires with your drill bit.
Locate and disconnect the power to any electrical circuits that could be affected by installing this appliance. If you do not disconnect the power, you could get an electric shock.
This appliance must be grounded.
If there is an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. This appliance is equipped with a cord which includes a grounding wire with a grounding plug.
Place the plug into a properly installed and grounded outlet

Three-pronged (grounding) plug
Properly polarized and grounded outlet
Do not use an extension cord.
Keep the power cord dry and do not pinch or crush it. Failure to follow this instruction may cause a fire hazard.
Do not, under any circumstances, remove the power supply cord grounding prong.
If you use the grounding plug improperly, you risk electric shock and/or fire.
Check with a qualified electrician if you are not sure whether the oven is properly grounded or if you do not completely understand the grounding instructions.
Do not use a fuse in the neutral or grounding circuit.
Improper grounding could result in electric shock, fire or other personal injury.