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Important Safeguards-3
13. An outside antenna system should not be
located in the vicinity of overhead power lines or
other electric light or power circuits, 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.
14. Do not overload wall outlets and extension cords
as this can result in fire or electric shock.
15. Never push objects of any kind into this
television equipment through the 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 television equipment.
16. Do not attempt to service this television
equipment yourself as opening or removing
covers may expose you to dangerous voltage or
other hazards. Refer all servicing to qualified
service personnel.
17. Unplug this television 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 television equipment
c) If the television has been exposed to rain or
water.
d) If the television equipment does not operate
normally by following the operating
instructions. Adjust only those controls that
are covered by the operating instructions as
an improper adjustment of other controls
may result in damage and will often require
extensive work by a qualified technician to
restore the TV receiver to its normal
operation.
e) If the television equipment has been dropped
or the cabinet has been damaged.
f) When the television equipment exhibits a
distinct change in performance this indicates
a need for service.
18. 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.
19. Upon completion of any service or repairs to
this television equipment, ask the service
technician to perform safety checks to
determine that the television is in a safe
operating condition.
20. If an outside antenna or cable system is
connected to the television receiver, be sure
the antenna or cable system is grounded so as
to provide some protection against voltage
surges and built up static charges.
Section 810 of the National Electric Code
ANSI/NFPA No. 70-1984, 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.