Panasonic KX-TD308 Installation Manual page 38

2.3.2 Outside Line Connection
Installation of an Earth Rod
Grounding Wire
(Underground)
Note
Lightning
Protectors
c o
Rod
1) Installation location of the earth rod .............Near the protector
2) Check obstructions........................................ None
3) Composition of the earth rod
4) Depth of the earth rod.. ................................. More than 50 cm
5) Size of the grounding wire ............................ Thickness is more
l
Tbe length of earth rod and the required depth depend on tbe
l
composition of tbe soil.
System
........................ Metal
(20 inches)
than 16 AWG
Installation 2-11