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User Guide
Grounding or Polarization
This set may be equipped with a polarized alternating current line plug (a plug having one
blade wider than other). This plug will fit into the power outlet only one way. This is a safety
feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the
plug still fails to fit, contact your electrician to replace your obsolete outlet. Do not defeat the
safety purpose of the polarized plug.
Antennas
Outdoor Antenna Grounding
If an outdoor antenna is installed, follow the precautions below. An outdoor antenna system
should not be located in the vicinity of overhead power lines or other electric light or power
circuits, or where it can come in contact with such power lines or circuits.
WHEN INSTALLING AN OUTDOOR ANTENNA SYSTEM, EXTREME CARE SHOULD BE
TAKEN TO KEEP FROM CONTACTING SUCH POWER LINES OR CIRCUITS AS
CONTACT WITH THEM IS ALMOST INVARIABLY FATAL.
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 Electrical Code (NEC) in USA
and Section 54 of the Canadian Electrical Code in Canada provides information with respect
to 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 Grounding According to the NEC
Antenna Grounding According to the National Electrical Code, ANSI/NFPA 70.
Lightning
For added protection for this television receiver 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. This will prevent damage to the receiver due to lightning and power-
line surges.
GROUND
CLAMP
ELECTRIC
SERVICE
EQUIPMENT
NEC - NATIONAL ELECTRIC CODE
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 ARTICLE 250, PART H)