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13. Power-Cord P rotection
Power-supply c ordsshouldberoutedso
that theyarenotlikely tobewalkedonor
pinched by itemsplaced uponor against
them,payingparticularattentiontocords
at plugs,convenience receptacles, andthe
pointwheretheyexit fromthe product.
14. Outdoor A ntennaGrounding
If anoutside antennaor cablesystem is
connected t othe product, b esurethe
antenna or cable system is grounded soas
to providesome protection against
voltagesurges andbuilt-up static
charges.
Article810ofthe NationalElectrical
Code, A NSI/NFPA70,provides informa-
tion with regardtopropergrounding of
the mastandsupporting structure,
grounding ofthe lead-inwireto an
antennadischarge unit, sizeof grounding
conductors, locationof antenna-discharge
unit, connection t ogrounding electrodes,
andrequirements f orthe grounding
electrode.
EXAMPLE OF ANTENNA GROUNDING
"__--_ANTENNA
LEAD IN WIRE
$1 "% /ANTENNA
[-3
11151" DISCHARGE
UNIT
_/
I
(NECSECTION810-20)
J_
j
GROUNDING
._CONDUCTORS
(NEC SECTION
810-21)
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
circuits,
or where it can fall into suc]h
power lines or circuits.
When installing
an outside
antenna
sys _em, extreme
care
should
be taken
to keep from touching
such power lines or circuits
as contact
with them might be fatal.
Overloading
Do not overload
wall outlets,
extension
cords, and integral
convenience
recep-
tacles as this can result
in a risk of fire or
electric
shock.
Object and Liquid Entl:y
Never push objects of any kind into this
product
through
openings
as they may
touch dangerous
volta__;e points
or short-
out pa_s
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 alL1servicing
to
qualified
service persoanel.
Damage
Requiring
Smwice
Unplug
this product
fl'om the wall outlet
and refer servicing
to qualified
service
personnel
under
the fi:llowing
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.
Adju st only those
controls
that are covered
by the
operating
instrucl;ions
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
operat:[on.
(e) If the product
has. been dropped
or
damaged
in any way.
(t9 When the producl; exhibits
a distinct
change
in performance
-- this indi-
cates a need for service.
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