Lenovo 9276 Manuel D’Utilisation
Note
to
CATV
system
installer
This
reminder
is
provided
to
call
the
CATV
system
installer's
attention
to
Article
820-40
of
the
National
Electrical
Code
(NEC)
that
provides
guidelines
for
proper
grounding
and,
in
particular,
specifies
that
the
cable
ground
shall
be
connected
to
the
grounding
system
of
the
building,
as
close
as
possible
to
the
point
of
cable
entry
as
practical.
Example
of
antenna
grounding
1
Ground
clamp
5
Power
service
grounding
electrode
system
(NEC
Article
250,
Part
H)
2
Antenna
lead-in
wire
6
Ground
clamps
3
Antenna
discharge
unit
(NEC
Section
810-20)
7
Electronic
service
equipment
4
Grounding
conductors
(NEC
Section
810-21
Figure
1.
Proper
grounding
for
the
cable
xiv
User
Guide