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voltage points or short out parts that could result in
fire or electric shock. Never spill or spray any type
of liquid on the product.
17. OUTDOOR ANTENNA GROUNDING
If an outside antenna is connected to the
product, be sure the antenna 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 70, provides information with
respect to proper grounding of the mast and
supporting structure, grounding of the lead-in
wire to an antenna discharge product, size of
grounding conductors, location of antenna
discharge product, connection to grounding
electrodes and requirements for grounding
electrodes.
18. 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.
19. REPLACEMENT PARTS
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.
20. 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.
21. WALL OR CEILING MOUNTING
The product should be mounted to a wall or
ceiling only as recommended by the
manufacturer.
22. DAMAGE REQUIRING SERVICE
Unplug the 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 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 the
cabinet has been damaged.
f. When the product exhibits a distinct change
in performance–this indicates a need for
service.
23. HEAT
The product should be situated away from heat
sources such as radiators, heat registers, stoves
or other products (including amplifiers) that
produce heat.
24. NOTE TO CATV SYSTEM INSTALLER
This reminder is provided to call the CATV
system installer's attention to Article 820-40 of
the NEC that provides guidelines for proper
grounding and, in particular, specifies that the
cable ground shall be connected to the
grounding system of the building, as close to the
point of cable entry as practical.
2
ANTENNA
LEAD IN
WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
NEC - NATIONAL ELECTRICAL CODE
ELECTRIC
SERVICE
EQUIPMENT
GROUND
CLAMP
S2898A
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
SAFETY INSTRUCTIONS