IBM System x3550 M5 Type 5463 Installation And Service Manual page 14

Statement 6
CAUTION:
If you install a strain-relief bracket option over the end of the power cord that is
connected to the device, you must connect the other end of the power cord to an
easily accessible power source.
Statement 8
CAUTION:
Never remove the cover on a power supply or any part that has the following
label attached.
Hazardous voltage, current, and energy levels are present inside any component
that has this label attached. There are no serviceable parts inside these
components. If you suspect a problem with one of these parts, contact a service
technician.
Statement 12
CAUTION:
The following label indicates a hot surface nearby.
Statement 13
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IBM System x3550 M5 Type 5463: Installation and Service Guide