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Introduction
fig-1
EXAMPLE OF ANTENNA GROUNDING AS
PER NATIONAL ELECTRICAL CODE
ANTENNA
LEAD IN WIRE
ANTENNA
DISCHARGE
UNIT (NEC
SECTION 810-20)
GROUNDING
CONDUCTORS
(NEC SECTION
810-21)
GROUNDING CLAMPS
POWER SERVICE
GROUNDING ELECTRODE
SYSTEM
(NEC ART 250. PART H)
NEC — NATIONAL ELECTRIC CODE
ELECTRIC
SERVICE
EQUIPMENT
GROUNDING
CLAMP
13. Lightning - For added protection of this
equipment during a lightning storm, or
when it is left unattended and unused
for long periods of time, disconnect it
from the wall outlet and disconnect the
antenna. This will prevent damage to
the equipment due to lightning and
power-line surges.
14. Power Lines - An outside antenna
system should not be located in the
vicinity of overhead power lines or
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
such power lines or circuits as contact
with them might be fatal.
15. Overloading - Do not overload wall
outlets and extension cords as this can
result in a risk of fire or electric shock.
16. Object and Liquid Entry - Never push
objects of any kind into this equipment
through openings as they may touch
dangerous voltage points or short out
parts that could result in a fire or
electric shock. Be careful not to spill
liquid of any kind onto the equipment.
17. Servicing - Do not attempt to service
this equipment yourself as opening or
removing covers may expose you to
dangerous voltage or other hazards.
Refer all servicing to qualified
personnel.
18.
Damage Requiring Service - Disconnect
this equipment from the wall outlet and
all power sources including batteries, and
refer servicing to qualified service
personnel under the following conditions.
a. When the power-supply cord or plug
is damaged.
b. If any liquid has been spilled onto, or
objects have fallen into, the
equipment.
c. If the equipment has been exposed
to rain or water.
d. If the equipment does not operate
normally even if you follow the
operating instructions. Adjust only
those controls that are covered by the
operation instructions. Improper
adjustment of other controls may
result in damage and will often require
extensive work by a qualified
technician to restore the equipment
to its normal operation.
e. If the equipment has been dropped
or the cabinet has been damaged.
f. When the equipment exhibits a
distinct change in performance. This
indicates a need for service.
19. Replacement Parts - When replacement
parts are required, be sure the service
technician has used replacement parts
that are specified by Canon or that have
the same characteristics as the original
part. Unauthorized substitutions may
result in fire, electric shock or other
hazards.
20. Safety Check - Upon completion of any
service or repairs to this equipment, ask
the service technician to perform safety
checks to determine that the equipment
is in safe operating order.
21. Do not install the equipment in the
following locations as this can cause a
fire or electric shock:
- Hot locations
- Close to a fire
- Very humid or dusty locations
- Locations exposed to direct sunlight
- Locations exposed to salt spray
- Close to flammable solvents (alcohol,
thinners, etc.)
22. When any of the following occurs,
immediately unplug the PA-V16 AC
adapter from the main power supply to
turn off the equipment and contact your
nearest Canon supplier. Do not continue
to use the equipment as this can cause
a fire or electric shock.
11
a
Safe Use of Equipment
10