Bose LIFESTYLE 535 - Page 61

Important
Safety
Instructions
18.
Use proper power
sources-
Plug
the
product
into
a proper
power
source,
as
described
in
the
operating
instructions
or
as marked on
the
product.
19.
Avoid power
lines-
Use extreme care when
installing an outside antenna system
to
keep from
touching
power
lines
or
circuits, as
contact
with
them
may
be
fatal.
Do
not
install external antennas
near overhead
power
lines
or
other electric light
or
power
circuits,
nor
where an antenna can
fall
into
such circuits
or
power
lines.
20.
Ground
all
outdoor antennas -
If
an external
antenna
or
cable
system is connected
to
this
product,
be
sure
the
antenna
or
cable system is
grounded. This will
provide
some
protection against
voltage surges
and
built-up static charges.
Section
81
0
of
the
National Electrical
Code
ANSI/
NFPA
No
.
70
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
ground electrode. Refer
to
the
antenna grounding
illustration on this page.
11111111111111111
255805
Antenna
grounding
Example
of
antenna grounding as
per
National Electrical
Code,
ANSI/NFPA
70.
Antenna
discharge unit
111
...--+-(NEC
Section 810-20)
~--Groundin
g
conductors
~+rr----(NE
C
Section 810-21)
Ground
clamps
...-
-P
ower se
rvic
e grounding
ele
ctrode
system
(
NEC
ART
250,
Part
H)
Note
to
CATV system
installer
This reminder is provided
to
call
the CATV system
installer's attention
to
Article 820-40
of
the
NEG (of USA)
that
provides guidelines for proper grounding.
In
particu-
lar,
it specifies that the cable ground
shall
be
connected
to
the
grounding system
of
the
building, as close
to
the
point
of
cable entry as is practical.
ROSE
®
Better
SOU1d
through
research
®
©2007
Bos
e Corporation, The Mountain,
Framingham,
MA
01701-9168 USA
255805
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