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SAFETY INSTRUCTIONS
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
14. Object and Liquid Entry - Care should be taken so that objects do
not fall and liquids are not spilled into the enclosure through
openings.
15. Damage Requiring Service - The appliance should be serviced
by qualified service personnel when:
A. The power supply cord or the plug has been damaged; or
B. Objects have fallen, or liquid 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.
16. Servicing - The user should not attempt to service the appliance
beyond that described in the operating instructions. All other
servicing should be referred to qualified service personnel.
17. Power lines - An outdoor antenna should be located away from
power lines.
18. Outdoor Antenna Grounding - If an outside antenna is connected
to the receiver, be sure the antenna system is grounded so as to
provide some protection against voltage surges and built up static
charges. Section 810 of the National Electrical Code, ANSI/NFPA
70 provides information with respect to proper grounding of the
mast and supporting structure, grounding of the lead-in wire to an
antenna discharge unit, size of groundingconductors, location of
antenna-discharge unit, connection to grounding electrodes, and
requirements for the grounding electrode. See Figure.
ANTENNA
LEAD IN WIRE
ANTENNA DISCHARGE
UNIT (NEC SECTION
810-20)
GROUNDING
CONDUCTORS
(NEC SECTION 810-21)
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
ELECTRIC
SERVICE
EQUIPMENT
GROUND
CLAMP
GROUND CLAMPS
11. Power Cord Protection - Power supply cords should be routed
so that they are not likely to be walked on or pinched by items
placed upon or against them, paying particular attention to cords at
plugs, convenient receptacles, and the point where they exit from
the appliance.
12. Cleaning - The appliance should be cleaned only as recommended
by the manufacturer.
13. Nonuse periods - The power cord of the appliance should be
unplugged from the outlet when left unused for a long period of time.
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CR-776_031500 NL v.2 E