44
15. Outdoor Antenna Grounding - If an outside antenna
is connected to the receiver, be sure the antenna
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 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.
See figure:
GROUND
CLAMP
16. Lightning-For added protection for this 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 product due to lightning and power-line surges.
17. 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.
18. Overloading - Do not overload wall outlets,
extension cords, or integral convenience receptacles
as this can result in a risk of fire or electric shock.
19. Object and Liquid Entry-Never push objects of any
kind into this product 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 product.
20. Servicing - Do not attempt to service this product
yourself as opening or removing covers may expose
you to dangerous voltage or other hazards. Refer all
servicing to qualified service personnel.
21. Damage Requiring Service - Unplug this 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 product.
c) If the product has been exposed to rain or water.
d) If the product 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 product
to its normal operation.
e) If the product has been dropped or damaged in
any way, and.
f) When the product exhibits a distinct change in
performance - this indicates a need for service.
22. Replacement parts - When replacement parts are
required, be sure the service technician has used
replacement parts specified by the manufacturer
or have the same characteristics as the original
part. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
23. Safety Check -Upon completion of any service or
repairs to this product, ask the service technician to
perform safety checks to determine that the product
is in proper operating condition.
24. Wall or Ceiling Mounting - The product should be
mounted to a wall or ceiling only as recommended
by the manufacturer.
25. Heat - The product should be situated away from
heat sources such as radiators, heat registers, stoves,
or other products (including amplifiers) that Produce
heat.
GROUND CLAMPS
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
ANTENNA
DISCHARGE UIET
(NEC SECTION 810-20)
ANTENNA
LEAD IN WIRE
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250.PART H)
ELECTRIC
SERVICE
EQUiPMENT