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IMPORTANT SAFEGUARDS
Example of Antenna Grounding
13 Power Lines —An outside antenna system should not be located in the vicinity of overhead power lines,
other electric light or power circuits, or where it can fall into such power lines or circuits. When installing
an outside antenna system, extreme care should be taken to keep from touching or approaching such
power lines or circuits as contact with them might be fatal. Installing an outdoor antenna can be hazardous
and should be left to a professional antenna installer.
Use
14 Cleaning —Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol
cleaners. Use a damp cloth for cleaning.
15 Object and Liquid Entry—Never push objects of any kind into this product
through openings as they may touch dangerous voltage or “short-out” parts
that could result in a fire or electric shock. Never spill liquid of any kind on the
product.
16 Lightning —For added protection for this product 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 product due to lightning and power line surges.
Service
17 Servicing —Do not attempt to service this product yourself as opening or remov-ing covers may expose
you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.
18 Conditions Requiring Service — Unplug this product from the wall outlet and refer servicing to
qualified service personnel under the following conditions.
A. When 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.
ANTENNA
LEAD IN
WIRE
GROUND CLAMP
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
ELECTRIC SERVICE
EQUIPMENT
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
11AA product and cart combination should be moved with care. Quick stops, excessive force, and
uneven surfaces may cause the product and cart combination to overturn.
12 Outdoor Antenna Grounding—If an outside antenna or cable system is connected to the product, be
sure the antenna or cable system is grounded so as to provide some protection against voltage surges and
built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70-1984 (Section 54 of
Canadian Electrical Code, Part 1) 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. See following example.