Apple Mac Pro (Early 2009) - Manual (Page 106)

106 Chapter 6 Last, but Not Least
This chapter provides important information about safety procedures, routine
maintenance, and ergonomic considerations for using your Mac Pro and display.
For your safety and that of your equipment, follow these rules for handling and
cleaning your Mac Pro and for working more comfortably. Keep these instructions
handy for reference by you and others.
Important Safety Information
The only way to disconnect power completely from your Mac Pro is to unplug the
power cord from the main power supply. To disconnect your display completely,
you must also unplug its power cable from the computer or power outlet. Make sure
that at least one end of the device’s power cord is within easy reach so that you can
unplug the computer or display when necessary.
Always take the following precautions.
Disconnect the power plug (by pulling the plug, not the cord), from your computer or
display and disconnect the phone cord if any of the following conditions exist:
 The power cord or plug becomes frayed or otherwise damaged
 You spill something into the case
NOTICE: Incorrect storage or use of your computer may void the manufacturer’s
warranty.
WARNING: Failure to follow these safety instructions could result in fire, electric
shock, or other injury or damage.