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Be sure the antenna or cable system is grounded so as
to provide some protection against voltage surges and
built-up static charges.
Article 810 of the National Electrical Code (NEC) in
the U.S.A. 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 grounding conductors, location of antenna-
discharge unit, connection to grounding electrodes, and
requirements for the grounding electrode.
Antenna Grounding According to NEC, ANSI/NFPA 70
22. Servicing
Do not attempt to service this product yourself as
opening or removing covers may expose you to
dangerous voltage or other hazards. Refer all servicing
to qualified service personnel.
23. Damage Requiring Service
Unplug this product from the wall power outlet, and
refer servicing to qualified service personnel under the
following conditions:
a. If the power-supply cord or plug is damaged.
b. If liquid has been spilled, or objects have fallen into
the product.
c. If the product has been exposed to rain or water.
d. If the product does not operate normally per the
operating instructions. Adjust only those controls
that are covered by the operating instructions, as an
improper adjustment of other controls may result in
damage and will often require extensive work by a
qualified technician to restore the product to its
normal operation.
e. If the product has been dropped or the cabinet has
been damaged.
f. If the product exhibits a distinct change in perfor-
mance.
24. Replacement Parts
When replacement parts are required, be sure the
service technician uses replacement parts specified by
the manufacturer or that have the same characteristics
as the original parts. Unauthorized substitutions may
result in fire, electric shock, or other hazards.
25. Safety Check
Upon completion of any service or repairs to this
product, ask the service technician to perform safety
checks to determine that the product is in proper
operating condition.
IMPORTANT SAFETY INSTRUCTIONS
Antenna Lead in Wire
Antenna Discharge Unit
(NEC Section 810-20)
Grounding Conductor
(NEC Section 810-21)
Ground Clamps
Power Service Grounding
Electrode System (NEC
Art 250, Part H)
Ground Clamp
Electric Service
Equipment
