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Wiring work
❖ If you are using the grounding on the switching board.
f If the grounding rod is used, user will be responsible for the cost of the grounding work.
X
f Grounding rod specification
X
Carbon rod or Copper rod
It could be dangerous if you connect the ground wire to the following places. Therefore, try to avoid connecting
it.
CAUTION
• Television antenna, gas pipe, aluminum chassis, flower vase, water line (You may connect ground wire to the water
line if the grounding resistance is less than 3Ω. However, it must be pre-approved to the management authority of
the water line.)
• If above examples cannot be avoided, make sure to get a pre-approval from the experts.
Grounding work procedure
f Make sure that grounding work is done in below procedure.
X
Procedure
1. Select a place for
➀ Appropriate place
grounding.
➁ Inappropriate place
2. Bury the grounding
➀ If you have laying tool for grounding rod:
rod.
➁ If you don't have laying tool:
3. Arrange the
• If you need to extend the ground wire, attach the
grounding wire.
• Fix the grounding wire with staple to prevent it
46
PAC_아프리카 중동향AP80S0A_IBIM_34514A-02_EN.indd 46
Copper wire
Grounding wire (green)
Explanation
• Humid place
• Damp ground is better than sandy ground
• Place where with underground structure or
facilities. (Gas pipe, water pipe, Service pipe,
underground cable.)
• If the grounding wire is paralle to the grounding
pole for the lightning rod, make sure they are at
least 2m apart from each other.
• Bury the grounding rod to the surface.
• Use the laying tool to bury it at least 20cm deeper
from the surface.
• Dig a hole as shown in the figure and bury it on
the ground.
• Fill the hole with the soil to bury the entire
grounding rod.
putty on the connection part and wind it with a
tape.
from getting tangled.
Solderless terminal
(For M4 screw)
• Avoid sandy ground or ground with gravel since
they have high grounding resistance.
• Do not use with the telephone ground wire.
• If you have buried it in a crowded area, firmly fix
the ground wire.
➀
Ground
rod
50cm
➁
30cm
• Use the green vinyl wire with the thickness of the
2mm in diameter or 3.5mm
• Make sure that the wire and the wire connection
part is not buried underground.
Caution
Over 20cm
Ground
Laying
rod
tool
2
in cross section area
2015-04-23 오후 2:19:00
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