
13. Power-CordProtection
Power-supplycordsshouldberoutedso
that theyarenotlikelyto bewalkedonor
pinchedbyitemsplaceduponoragainst
them,payingparticularattentiontocords
at plugs,conveniencereceptacles,andthe
pointwheretheyexitfromtheproduct.
14.
OutdoorAntennaGrounding
If anoutsideantennaorcablesystemis
connectedto theproduct,besurethe
antennaorcablesystemis groundedsoas
to providesomeprotectionagainst
voltagesurgesandbuilt-upstatic
charges.
Article810oftheNationalElectrical
Code,ANSI/NFPA70,providesinforma-
tion with regardtopropergroundingof
themastandsupportingstructure,
groundingofthelead-inwireto an
antennadischargeunit, sizeofgrounding
conductors,locationofantenna-discharge
unit, connectionto groundingelectrodes,
andrequirementsfor thegrounding
electrode.
EXAMPLE OF ANTENNA GROUNDING
---_--ANTENNA
'k I LEAD IN WIRE
I _nl iimr,Ac_t'r_ I / J'_ I GROUNDING
L._ ......... _'''_ __ CONDUCTORS
_'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 lanes
An outside antenna system should not be
located in the vicinity cf overhead power
lines or other electric: light or power
circuits, or where it c:azLfall 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 £atal.
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 Entry
Never push objects of any kind into this
product through openings as they may
touch dangerous volta:,_e points or short-
out pacts that could result in a fire or
electric shock. Never spill liquid of any
kind on the product.
Servicing
Do not attempt to sem4ce this product
yourself as opening or removing covers
may expose you to dangerous voltage or
other hazards. Refer s ll servicing to
qualified service personnel.
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 follo _ng the operating
instructions. Adj_zst only those
controls that a:re covered by the
operating instructions as an improper
adjustment of other controls may
result in damage and will often
require extens!ive work by a qualified
technician to res_ore the product to
its normal ope:raSon.
(e) If the product has been dropped or
damaged in any way.
(f) When the product exhibits a (iistinct
change in perfol:_ance -- thi,_ indi-
cates a need for service.
3