NEC iPASOLINK EX Advanced Installation Manual page 62

6-2/END
Figure 6-2 Grounding Procedure (Example – 2/2)
LIGHTNING ROD
GROUNDING WIRE
(away from tower)
(Grounding Resistance
should be less than 10 Ohms
Refer *2 in Notes.)
(Grounding Resistance of
Tower should be less than
10 ohms.)
POWER CABLE
This is the buried grounding
wire. This type of wire is
naked (not insulated),
which is recommended.
GGS-000546-13E
iPASOLINK
NOTES:
*1 NEC recommends that the equipment should be connected to earth line
as NEC's standard installation.
*2 If grounding resistance of tower is low enough (less than 10 ohms),
grounding wire of lightning rod is unnecessary.
EP: Earth Ground Point of tower
EX/A
POWER CABLE
GROUNDING TERMINAL
Grounding wire for iPASOLINK EX/A should be
connected to the nearest EP of the tower.
EP
GROUNDING WIRE*1
(Grounding Resistance should be less than 10 ohms)
Let the cables run through inside of steel tower.
GROUND iPASOLINK EX/A
Tower
It lets through the center of the steel
tower as much as possible.
GROUNDING WIRE
iPASOLINK EX Advanced: I
GROUND
LEVEL
NSTALLATION