IBM DS4800 Installation, User And Maintenance Manual page 10

Statement 6:
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 7:
DANGER
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IBM System Storage DS4800 Storage Subsystem: Installation, User's, and Maintenance Guide
Handling the cord on this product, or cords associated with accessories
sold with this product, will expose you to lead, a chemical known to the
State of California to cause cancer and birth defects or other reproductive
harm. Wash hands after handling.