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FIGURE A
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
ELECTRIC
SERVICE
EQUIPMENT
GROUND
CLAMP
NEC - NATIONAL ELECTRICAL CODE POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
S2898A
GROUND CLAMPS
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
ANTENNA
LEAD IN
WIRE
13. Outdoor Antenna grounding-If an outside antenna or
cable system is connected to the TV, 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 No. 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. (Fig. A)
14. Lightning-For added protection for this TV receiver
during a lightning storm, or when it is left unattended
and unused for long periods of time, unplug it from the
wall outlet and disconnect the antenna or cable system.
This will prevent damage to the TV due to lightning
and power-line surges.
15. Power Lines-An outside antenna system should not be
located in the vicinity of overhead power lines or other
electric light of 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.
16. Overloading-Do not overload wall outlets and
extension cords as this can result in a risk of fire or
electric shock.
17. Object and Liquid Entry-Never push objects of any
kind into this TV through openings 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 TV.
18. Servicing-Do not attempt to service this TV yourself as
opening or removing covers may expose you to
dangerous voltage or other hazards. Refer all servicing
to qualified service personnel.
19. Damage Requiring Service-Unplug this TV from the
wall outlet and refer servicing to qualified service
personnel under the following conditions:
a. When the power supply cord or plug is damaged or
frayed.
b. If liquid has been spilled, or objects have fallen into
the TV.
c. If the TV has been exposed to rain or water.
d. If the TV does not operate normally by following the
operating instructions. Adjust only those controls that
are covered by the operating instructions, as improper
adjustment of other controls may result in damage and
will often require extensive work by a qualified
technician to restore the TV to its normal operation.
e. If the TV has been dropped or damaged in any way.
f. When the TV exhibits a distinct change in
performance-this indicates a need for service.
20. Replacement Parts-When replacement parts are
required, be sure the service technician uses
replacement parts specified by the manufacturer that
have the same characteristics as the original part.
Unauthorized substitutions may result in fire, electric
shock, injury to persons or other hazards.
21. Safety Check-Upon completion of any service or
repairs to this TV, ask the service technician to perform
routine safety checks to determine that the TV is in
proper operating condition.
22. Heat-This TV product should be situated away from
heat sources such as radiators, heat registers, stoves, or
other products (including amplifiers) that produce heat.
ENGLISH