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FIGURE A
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
GROUND
ANTENNA
LEAD IN
WIRE
ELECTRIC
SERVICE
EQUIPM
NEC- NATIONALELECTRICALCODE
$2898A
DISCHARGE UNIT
(NEC SECTION 810-20
GROUNDING CONDUCTORS
(NEC SECTION 8t0-2t)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
charge unit, connection to grounding electrodes, and re-
quirements for the grounding electrode. (Fig. A)
14. Lightning-For added protection for this video product
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 video product 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 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.
16. Overloading-Do not overload wall outlets and extension
cords as this can result in a risk of fire or electric shock.
I7. Object and Liquid Entry-Never push objects ofany kind
into this video product through any 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 video product.
18. Servlcing-Do not attempt to service this video product
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 video product
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.
b. If liquid has been spilled, or objects have fallen into the
video product.
c. If the video product has been exposed to rain or water.
d°
If the video product does notoperate normally by follow-
ing the operating instructions. Adjust only those controls
that are covered by the operating instructions as an im-
proper adjustment of other controls may result in damage
and will often require extensive work by a qualified
technician to restore the video product to its normal op-
eration.
e. If the video product has been dropped or damaged in any
way.
f. When the video product exhibits a distinct change in
performance-this indicates a need for service.
20. Replacement Parts-When replacement parts are re-
quired, be sure the service technician has used replace-
ment parts specified by the manufacturer or have the same
characteristics as the original part. Unauthorized substitu-
tions may result in fire, electric shock or other hazards.
21. Safety Check-Upon completion of any service or repairs
to this video product, ask the service technician toperform
safety checks to determine that the video product is in
proper operating condition.
22. Heat-This video product should be situated away from
heat sources such as radiators, heat registers, stoves, or
other products (including amplifiers) that produce heat.
- 3 - EN
-/t, _t, 5C15