Television Antenna Connection Protection
External Television Antenna Grounding
If an outside antenna/satellite dish or cable system is to be connected to the TV, make sure that
the antenna or cable system is electrically grounded to provide some protection against voltage
surges and static charges.
Article 810 of the National Electrical Code, ANSI/NFPSA 70, provides information with regard to
proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna
discharge unit, size of the grounding conductors, location of antenna discharge unit, connection to
grounding electrodes, and requirements of 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)
ELECTRIC SERVICE
EQUIPMENT
GROUND CLAMP
Lightning Protection
For added protection of the TV during a lightning storm or when it is left unattended or unused
for long periods of time, unplug the TV from the wall outlet and disconnect the antenna or cable
system.
Power Lines
Do not locate the antenna near overhead light or power circuits, or where it could fall into such
power lines or circuits.
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