4
Safety Warnings
placed on the apparatus.
16. 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.
17. Do not overload wall outlets, extension
cords, or integral convenience
receptacles as this can result in a risk of
fire or electric shock.
18. 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.
19. If an outside antenna or cable system is
connected to the unit, be sure the antenna
or cable system is grounded to provide
some protection against voltage surges
and built-up static charges, Section 810 of
the National Electrical Code, ANSI/NFPA
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.
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
ANTENNA
LEAD IN WIRE
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
GROUND
CLAMP
ELECTRIC SERVICE
EQUIPMENT
NEC-NATIONAL
ELECTRICAL CODE
S2898A
EXAMPLE OF ANTENNA GROUNDING AS PER THE
NATIONAL ELECTRICAL CODE
20. When replacement parts are required,
be sure the service technician uses
replacement parts specified by the
manufacturer or those that have the
same characteristics as the original part.
Unauthorized substitutions may result in
fire, electric shock or other hazards.
21. Upon completion of any service or repairs
to this unit, ask the service technician to
perform safety checks to determine that
the unit is in proper operating condition.
22. When you connect the product to other
equipment, turn off the power and
unplug all of the equipment from the
wall outlet. Failure to do so may cause
an electric shock and serious personal
injury. Read the owner’s manual of the
other equipment carefully and follow
the instructions when making any
connections.
23. Sudden high volume sound may cause
hearing or speaker damage. When
you use headphones, (if the unit is
equipped with a headphone jack) keep
the volume at a moderate level. If you
use headphones continuously with high
volume sound, it may cause hearing
damage.
