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TV antenna connection protection
Electric Service Equipment
• 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
English - iv
Ground Clamp
Power Service Grounding Electrode System
(NEC ART 250, part H)
• Lightning Protection: For added protection of the TV
• Power Lines: Do not locate the antenna near overhead
Antenna Lead In Wire
Antenna Discharge Unit
(NEC Section 810-20)
Grounding Conductors
(NEC Section 810-21)
Ground Clamps
electrode.
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.
light or power circuits, or where it could fall into such
power lines or circuits. Remember, the screen of the
coaxial cable is intended to be connected to earth in the
building installation.
V
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