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143 Grounding
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electronics-cabinet
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1
The ground screw is the most central point
in
an electronics cabinet and
is the position
to
which all ground cables should be drawn.
2 The system's grounding
point shall be
CO~ected to
the grounding screw
with
a cable
(20.75
mm2).
3 A cable (6
m & )
is drawn
from the
door
to
the
grounding
screw.
" \
4 A
cable (6 mmz) is drawn
from
the mounting plate to the
grounding
screw.
s
5
The grounding screw
is
connected
with
a cable (6 mmz) to the grounding
screw.
6 The screen in
saemed
cable is connected
to
the grounding
raiL The
screen must
not be c o ~ e c t e d to the external
equipment
( S c m d
cables* internal in
the
cabinet must be
c o r n e d
to
ground
at either end.)
7 Cut
away
the screen at,the external equipment
8 The electronic
cabinet's
grounding screw is
m ~ e c t e d
to the
installation's common grounding point by a thick
cable (210
mm2).
The power unit's grounding int must be
conneaed t o
the grounding
F
screw with a cable
(215
mm
).
1
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