Panasonic KX-TA624 Installation Manual page 35

2.3.3 Outside (CO) Line Connection
Installation of an Earth Rod
Lightning
Protectors
CO
Grounding Wire
(Underground)
1) Installation location of the earth rod . . . . Near the protector
2) Check obstructions . . . . . . . . . . . . . . . . . . None
3) Composition of the earth rod . . . . . . . . . . Metal
4) Depth of the earth rod . . . . . . . . . . . . . . . More than 50 cm
5) Size of the grounding wire . . . . . . . . . . . . Thickness more than
6) Length of the grounding wire . . . . . . . . . As short as possible
Note • The above example is only a recommendation.
• The length of the earth rod and required depth depend on the
composition of the soil.
System
Rod
{20 inches}
16 AWG
Installation 2-11