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13.
14.
Power-Cord P rotection
Power-supply c ords shouldberoutedso
that they arenotlikely tobewalkedonor
pinched by itemsplaced uponor against
them,payingparticularattentionto cords
at plugs,convenience receptacles, andthe
pointwheretheyexit fromthe product.
OutdoorAntennaGrounding
If anoutside antennaor cablesystem is
connected t othe product, b esurethe
antennaor cable system is grounded soas
to providesome protection against
voltagesurges andbuilt-upstatic
charges.
Article 810oftheNationalElectrical
Code, A NSI/NFPA 70,provides informa-
tion with regardto proper groundingof
the mastandsupporting structure,
groundingofthe lead-inwireto an
antennadischarge u nit, sizeofgrounding
conductors, locationofantenna-discharge
unit, connection t ogrounding electrodes,
andrequirements f or thegrounding
electrode.
EXAMPLE OF ANTENNA GROUNDING
ENNA
LEAD IN WIRE
DISCHARGE
UNIT
(NEC SECTION
810-20)
GROUNDING
CONDUCTORS
-(NECSECTION810-21)
GROUND
CLAMPS
"_POWER
SERVICE
GROUNDING
ELECTRODE
SYSTEM
NEC - NATIONAL
ELECTRICAL
CODE
(NEC ART 250, PART H)
15. 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.
16.
17.
18.
19.
20.
Power Lines
An outside
antenna
system
should
not be
located in the vicinity
of overhead
power
lines or other
electric
light or power
circuit,J, or where it caa fall into such
power lines or circuits.
When installing
an outside
antenna
,;y_;tem, extreme
care
should be taken
to keep from touching
such power lines or circuits
as contact
with them might be fa Lal.
Overloading
Do not overload
wall outlets,
extension
cords, and integral
con venience
recep-
tacles as this can result
in a risk of fire or
electric
shock.
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.
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.
Damage
Requiring
Service
Unplug
this product
fi'om 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
ram or water.
(d) If the product
doe_ not operate
normally
by following the operating
in,_tructions.
Adjust
only those
controls
that are covered by the
operating
instru_ctions
as an improper
adjustment
of other controls
may
re_mlt in damage
and will often.
require
extensive
vcork by a qualified
technician
to restore
the product
to
its normal
operation.
(e) If the product
has been dropped
or
damaged
in any way.
(f) When the product
exhibits
a distinct
change
in performance
-- this mdi-
cares a need for service.
3
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