Precautions for Use (Be Sure to Read)
Express5800/53Xi, Y53Xi User's Guide
13
Power supply and power cord use
WARNING
Do not hold the power plug with a wet hand.
Do not disconnect/connect the plug while your hands are wet. Failure to follow this warning may cause an
electric shock.
Do not connect the ground wire to a gas pipe.
Never connect the ground wire to a gas pipe. Failure to follow this warning may cause a gas explosion or a
fire.
Do not connect or disconnect any earth wire with the power cord of the workstation plugged to a
power source.
Make sure to power off the workstation and unplug the power cord from a power outlet before
connecting/disconnecting any earth wire to/from the workstation.
If the workstation is off-powered but its power cord is plugged to a power source, touching an earth wire
may cause an electric shock or a fire resulted from a short circuit.
CAUTION
Plug in to a proper power source.
Use a grounded outlet with the specified voltage. Use of an outlet with a voltage other than that specified
causes fire and electric leak.
Do not install the workstation in any environment that requires an extension cord. Connecting to an outlet
that does not meet the power specifications of the workstation causes overheating, resulting in fire.
If you want to use an AC cord set with a ground wire of class
0I
, be sure to connect the ground wire before
inserting the power plug into the outlet. Before disconnecting the ground wire, be sure to disconnect the
power plug from the output.
Do not connect many power cords into a single outlet by using extension cords.
The electric current exceeding the rated flow overheats the outlet, which may cause a fire.
Do not hold the power cable when disconnecting it.
When disconnecting a power cable from the device, hold the cable connector and pull it straight out. Pulling
the cable out by the cable portion or giving mechanical stress to the connector could damage the cable and
connector to result in an electric shock hazard or a fire.
Insert the power plug into the outlet as far as it goes.
Heat generation resulting from a halfway inserted power plug (imperfect contact) may cause a fire. Heat will
also be generated if condensation is formed on dusty blades of the halfway inserted plug, increasing the
possibility of fire.
