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Ground Clamp
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
• 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.
TV Antenna Connection Protection
• 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. Remember, the screen of the
coaxial cable is intended to be connected to earth in the
building installation.
