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GROUND CLAMPS
NEC - NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
S2898A
WIRE
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
ELECTRODE SYSTEM
(NEC ART 250, PART H)
SERVICE
EQUIPMENT
CLAMP
ANTENNA
LEAD IN
ANTENNA
POWER SERVICE GROUNDING
GROUND
ELECTRIC
FIGURE A
12.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 par-
ticular attention to cords at plugs, convenience receptacles,
and the point where they exit from the appliance.
13.Outdoor Antenna grounding-If an outside antenna or
cable system is connected to the TV/DVD, 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/DVD 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/DVD 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.
17.Object and Liquid Entry-Never push objects of any kind
into this TV/DVD through openings as they may touch dan-
gerous voltage points or short out parts that could result in
a fire or electric shock. Never spill liquid of any kind on
the TV/DVD.
18.Servicing-Do not attempt to service this TV/DVD yourself
as opening or removing covers may expose you to danger-
ous voltage or other hazards. Refer all servicing to qualified
service personnel.
19.Damage Requiring Service-Unplug this TV/DVD from
the wall outlet and refer servicing to qualified service per-
sonnel 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/DVD.
c. If the TV/DVD has been exposed to rain or water.
d. If the TV/DVD does not operate normally by following the
operating instructions. Adjust only those controls that are
covered by the operating instructions, as improper adjust-
ment of other controls may result in damage and will often
require extensive work by a qualified technician to restore
the TV/DVD to its normal operation.
e. If the TV/DVD has been dropped or damaged in any way.
f. When the TV/DVD exhibits a distinct change in perfor-
mance-this indicates a need for service.
20.Replacement Parts-When replacement parts are required,
be sure the service technician has used replacement parts
specified by the manufacturer that have the same character-
istics as the original part. Unauthorized substitutions may
result in fire, electric shock, injury to persons or other haz-
ards.
21.Safety Check-Upon completion of any service or repairs to
this TV/DVD, ask the service technician to perform routine
safety checks to determine that the TV/DVD is in proper
operating condition.
22.Heat-This TV/DVD product should be situated away from
heat sources such as radiators, heat registers, stoves, or
other products (including amplifiers) that produce heat.
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