– G-2 –
GROUND
CLAMP
ELECTRIC
SERVICE
EQUIPMENT
NEC
— NATIONAL ELECTRICAL CODE
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
GROUND CLAMPS
GROUNDING CONDUCTORS
(NEC SECTION 810–21)
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810–20)
ANTENNA
LEAD IN
WIRE
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
1)
Read Instructions — Read carefully this instructions
for your safe use before this appliance is installed,
wire-connected, and operated.
2)
Retain Instructions — For your future reference, retain
this instruction.
3)
Follow Instructions — Follow and obey all warnings,
cautions and instructions marked on this appliance
and this instruction.
4)
Water and Moisture — Do not expose this appliance to
rain, water and moisture, or operate it near water —
for example near a bathtub, wash bowl, kitchen sink,
laundry tub, in a wet basement or near a swimming
pool, and the like.
5)
Ventilation and Heat — This appliance should be
situated so that its location does not interfere with its
proper ventilation. For example, this appliance should
not be situated on a bed, sofa, rug, or similar surface
that may block the ventilation openings; or, placed in a
built-in installation, such as a bookcase or cabinet that
may impede the flow of air through the ventilation
openings. This appliance should be situated away
from heat sources such as radiators, heat registers,
stoves, or other appliances (including amplifiers) that
produce heat.
6)
Power sources — This appliance should be connected
to a power supply only of the type as marked on this
appliance.
7)
Polarization — The precautions that should be taken
so that the polarization means of this appliance is not
defeated.
8)
Power Cord Protection — Power supply cords should
be routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the
appliance.
9)
Cleaning — The appliance should be cleaned only as
recommended by the manufacturer.
10) Power Lines — An outdoor antenna should be located
away from power lines.
11) Outdoor Antenna Grounding — If this appliance is
provided with means to connect the outdoor antenna
and outside antenna is connected to this appliance, be
sure the antenna system is grounded so as to provide
some protection against voltage surges and built-up
static charges. Article 810 of the National Electrical
Code, ANSI/ NFPA 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 grounding conductors, location
of antenna-discharge unit, connection to grounding
electrodes, and requirements for the grounding
electrode. Example of antenna grounding is illustrated
in here.
12) Nonuse Periods — The power cord of the appliance
should be unplugged from the outlet when left unused
for a long period of time.
13) Object and Liquid Entry — Care should be taken so
that objects do not fall and liquids are not spilled into
the enclosure through openings.
14) Damage Requiring Service — The appliance should
be serviced by qualified service personnel when : (a)
The power-supply cord or the plug has been damaged;
or (b) Objects have fallen, or liquid has been spilled
into the appliance; or (c) The appliance has been
exposed to rain; or (d) The appliance does not appear
to operate normally or exhibits a marked change in
performance; or (e) The appliance has been dropped,
or the enclosure damaged.
15) Servicing — The user should not attempt to service the
appliance beyond that described in the operating
instructions. All other servicing should be referred to
qualified service personnel.
Instructions for safe use
(Statement in accordance with the UL standards)
MX-J500/700[J].Safety/f
99.12.19, 1:49 PM
2
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