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Important safety instructions
3
• If an outside antenna or cable system is connected to the
television, be sure the antenna or cable system is grounded so as
to provide some protection against voltage surges and built-up
static charges. Article 810 of the National Electrical Code, ANSI/
NFPA 70, provides information with regard 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.
• Use No. 10 AWG (5.3 mm
2
) copper, No. 8 AWG (8.4 mm
2
)
aluminum, No. 17 AWG (1.0 mm
2
) copper-clad steel or bronze
wire, or larger, as a ground wire.
• Secure antenna lead-in and ground wires to house with
stand-off insulators spaced from 4-6 feet (1.22 -1.83 m)
apart.
• Mount antenna discharge unit as close as possible to where
lead-in enters house.
• Use jumper wire not smaller than No. 6A WG (13.3 mm
2
)
copper, or the equivalent, when a separate
antenna-grounding electrode is used. See ANSI/NFPA70.
• An outside antenna system should not be located in the vicinity of
overhead 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.
• For added protection for this television during a lightning storm,
or when it is left unattended and unused for long periods of time,
unplug it from the power outlet and disconnect it from the
antenna or cable system. This prevents damage to the television
due to lightning and power line surges.
• Do not overload wall outlets and extension cords, because
overloading can cause a fire or electric shock.
• Never push objects of any kind into this television through slots in
the case, as they may touch dangerous voltage points or short out
parts that could result in a fire or electric shock. Never spill liquid
of any kind on the television.
• Do not attempt to service this television yourself, because opening
or removing covers may expose you to dangerous voltages or
other hazards. Refer all servicing to qualified service technicians.
• Unplug this television from the wall outlet and refer servicing to
qualified service technicians under the following conditions:
• When the power cord or plug is damaged or frayed.
• If liquid has been spilled into the television.
• If the television has been exposed to rain or water.
• If the television does not operate normally by following the
operating instructions. Adjust only those controls that are
covered by the operating instructions, because incorrect
adjustment of other controls may result in damage and often
requires extensive work by a qualified technician to restore
normal operation.
• If the television has been dropped or the case has been
damaged.
• When the television exhibits a distinct change in
performance.
• When replacement parts are required, be sure the service
technician has used replacement parts specified by the
manufacturer that have the same characteristics as the original
part. Unauthorized substitutions may result in fire, electric shock,
or other hazards.
• Upon completion of any service or repairs to this television, ask
the service technician to perform routine safety checks to
determine that the television is safe to operate.
Note to cable television system installer
This reminder is provided to call the cable television system installer’s
attention to Section 820 40 of the NEC which 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.
Reference Grounding component
1 Electric service equipment
2 Power service grounding
electrode system
(NEC Art 250, Part H)
3Ground clamp
4 Grounding conductors (NEC
Section 810-21)
5 Antenna discharge unit (NEC
Section 810-20)
6Ground clamp
7 Antenna lead-in wire
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5
2
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