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4
Safety Warnings
16. An outside antenna system should not be
located in the vicinity of overhead power
lines or other electric light or power circuits,
or where it can fall into such power lines or
circuits. When installing an outside antenna
system, extreme care should be taken to
keep from touching such power lines or
circuits as contact with them might be fatal.
17. Do not overload wall outlets, extension
cords, or integral convenience receptacles
as this can result in a risk of re or electric
shock.
18. Never push objects of any kind into this
product through openings as they may
touch dangerous voltage points or short-out
parts that could result in a re or electric
shock. Never spill liquid of any kind on the
product.
19. If an outside antenna or cable system is
connected to the unit, be sure the antenna
or cable system is grounded 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 grounding
conductors, location of antenna discharge
unit, connection to grounding electrodes,
and requirements for the grounding
electrode.
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
ANTENNA
LEAD IN WIRE
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
GROUND
CLAMP
ELECTRIC SERVICE
EQUIPMENT
NEC-NATIONAL
ELECTRICAL CODE
S2898A
EXAMPLE OF ANTENNA GROUNDING AS PER THE
NATIONAL ELECTRICAL CODE
20. When replacement parts are required, be
sure the service technician uses replacement
parts specied by the manufacturer or those
that have the same characteristics as the
original part. Unauthorized substitutions
may result in re, electric shock or other
hazards.
21. Upon completion of any service or repairs
to this unit, ask the service technician to
perform safety checks to determine that the
unit is in proper operating condition.
22. When you connect the product to other
equipment, turn o the power and unplug
all of the equipment from the wall outlet.
Failure to do so may cause an electric
shock and serious personal injury. Read the
owner’s manual of the other equipment
carefully and follow the instructions when
making any connections.
23. Sudden high volume sound may cause
hearing or speaker damage. When you
use headphones, (if the unit is equipped
with a headphone jack) keep the volume
at a moderate level. If you use headphones
continuously with high volume sound, it
may cause hearing damage.
24. Do not allow the product to output distorted
sound for an extended period of time. It may
cause speaker overheating and re.
25. This reminder is provided to call the cable
TV system installer’s attention to Article 820-
40 of the NEC that provides guidelines for
proper grounding and, in particular, species
that the cable ground shall be connected
to the grounding system of the building, as
close to the point of cable entry as practical.
26. The socket-outlet must be installed near the
unit and easily accessible.
27. The mains plug is used as the disconnect
and shall remain readily operable.
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