18
WS-PRO LT weather station
FIGURE
A.1
‐
2
Stacking
groundings
rods
with
threaded
couplers
can
help
decrease
ground
resistance
A.2
Grounding System Designs
A.2.1
Design
“Y”
Design
“Y”
Design
“Y”
(shown
in
Figures
A.2
‐
1
and
A.2
‐
2)
consists
of
three,
5/8”
‐
diameter
x
8
‐
foot
‐
long,
copper
‐
clad
grounding
rods.
Install
the
rods
in
a
radial
1200
star
(“Y”)
configuration.
Each
rod
must
be
installed
in
a
true
vertical
position,
at
least
16
feet
from
the
equipment
Note
:
All
grounding
system
diagrams
are
not
to
exact
scale
FIGURE
A.2
‐
1
Design
“Y”
uses
three
groundings
rods
imnstalled
in
radial
120
degress
“Y
‐
shaped”
configuration
