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• Operate your product only from the type of power source indicated on the marking label.
If you are not sure of the type of power supplied to your home, consult your appliance dealer
or local power company.
• Use only a grounded or polarized outlet. For your safety, this product is equipped with a
polarized alternating current line plug having one blade wider than the other. This plug will
fit into the power outlet only one way. If you are unable to insert the plug fully into the outlet,
try reversing the plug. If the plug still does not fit, contact your electrician to replace your outlet.
• Protect the power cord. Power supply cords should be routed so that they won’t be walked on
or pinched by objects placed on or against them. Pay particular attention to cords at plugs,
convenience receptacles and the point where they exit from the unit.
• Unplug the product from the wall outlet and disconnect the antenna or cable system during
a lightning storm or when left unattended and unused for long periods of time.
This will prevent damage to the unit due to lightening and power-line surges.
• Avoid overhead power lines. An outside antenna system should not be placed 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, be extremely careful to
keep from touching the power lines or circuits. Contact with such lines can be fatal.
• Do not overload the wall outlet or extension cords. Overloading can result in fire or electric shock.
• Do not insert anything through the openings in the unit, where they can touch dangerous
voltage points or damage parts. Never spill liquid of any kind on the product.
• Ground outdoor antennas. If an outside antenna
is connected to the product, be sure the antenna
is grounded so as to provide some protection
against voltage surges and built-up static charges.
Section 810 of the National Electrical Code,
ANSI/NFPA No.70-1984, provides information
about 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
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)
GROUND CLAMP
ELECTRIC
SERVICE
EQUIPMENT
NEC NATIONAL ELECTRICAL CODE
EXAMPLE OF
ANTENNA GROUNDING
Important Safeguards