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Nonuse Periods — The power cord of the appliance should be unplugged from the outlet when
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left unused for a long period of time.
Object and Liquid Entry — Care should be taken so that objects do not fall and liquids are not
15
spilled into the enclosure through openings.
Damage Requiring Service — The appliance should be serviced by qualified service personnel
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when:
a The power-supply cord or the plug has been damaged; or
b Objects have fallen, or liquid has been spilled into the appliance; or
c The appliance has been exposed to rain; or
d The appliance does not appear to operate normally or exhibits a marked change in
performance; or
e The appliance has been dropped, or the enclosure damaged.
Servicing — The user should not attempt to service the appliance beyond that described in the
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operating instructions. All other servicing should be referred to qualified service personnel.
NOTE TO CATV SYSTEM INSTALLER:
THIS REMINDER IS PROVIDED TO CALL
THE INSTALLER'S ATTENTION TO
ARTICLE 820-40 OF THE NEC THAT
PROVIDES GUIDELINES FOR PROPER
GROUNDING AND IN PARTICULAR
SPECIFIES THAT THE CABLE GROUND
SHALL BE CONNECTED TO THE
GROUNDING SYSTEM OF THE
BUILDING, AS CLOSE TO THE POINT
OF CABLE ENTRY AS PRACTICAL.
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