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ANTENNAS
Outdoor Antenna Grounding – If an outdoor antenna or cable system 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 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.
Lightning
For added protection for this unit 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 or cable system. This will prevent damage to the unit due to
lightning and power-line surges.
Antenna Lead in Wire
Ground Clamp
Antenna Discharge
unit (NEC Section
810-20)
Ground
Clamps
Power Service
Grounding Electrode
System
(NEC Art 250, Part H)
Grounding
Conductors
(NEC Section 810-21)
Electric
Service
equipment