[
Note
]:
If
there
is
middleware
installed
,
such
as
an optical
transceiver
or
anti
-
thunder
device
,
the middleware
should
be
well
grounded
as well as
the
camera
if
the cable
goes
through
the
middleware
.
17
Metal Pole
Power Cord
PVC Pipe
Lightning Rod
Underground 1.5 m
Video Arrester
Signal Arrester
Power Arrester
45°
The dome camera must be
installed within the 45° angle
range under the lightning rod
Metal Pole Grounding (without lightning rod)
Earth Lead Resistance
≤4Ω
PVC Pipe
Earth Lead Resistance
≤4Ω
Underground 1.5 m
Metal Pole Grounding (with lightning rod)