Advanced Manual
iii
Registration Verification Confirmation
By registering your 
purchase now, it 
guarantees you will 
receive all the 
information and special 
offers you qualify for as 
the owner of this 
product.
By registering your 
purchase now, you have 
a way to confirm 
yourself as the owner of 
the product in the event 
of fire, theft or loss.
By registering your pur-
chase now, it confirms 
your right to maximum 
protection under the 
terms and conditions of 
the Warranty, and Equip-
ment Protection Policy.
Protect Your Investment 
Congratulations and thank you for selecting and investing in APC’s 
Model C2/C2-CN Wall Mount Power Filter. At APC, we know you have 
made an intelligent choice sure to reward you for many years. To ensure 
you receive all the benefits and protection that accompany your pur-
chase, please take a few minutes to fill out and mail the enclosed War-
ranty Registration Card, or complete the online form at: www.apc.com.
Note: Under California law, failure to register your purchase may not 
exclude you from provisions of the Warranty and Equipment Protection 
Policy.
 The benefits of warranty registration are outlined below.
Safety Symbols
This “bolt of lightning” 
indicates uninsulated material 
within your unit that may 
cause an electrical shock. For 
the safety of everyone in your 
home, please do not remove 
the product cover.
This “exclamation point” calls 
attention to features for which 
you should read about in this 
Manual to prevent operating 
and maintenance problems.
Warnings, Cautions and Notes
Warnings Cautions Notes
Warnings provide 
information about a 
procedure that, if 
not performed 
exactly as stated, 
may result in injury 
or death.
Notes provide 
information that is 
essential to 
highlight.
Cautions provide 
information about a 
procedure that, if 
not performed 
exactly as stated, 
may result in equip-
ment damage.
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