Panasonic KX-TD500 - Page 115

2.11 Lightning Protectors
Installation 2-79
Installation of an Earth Rod
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
(20 inches)
5) Size of the grounding wire...................................Thickness is more
than 16 AWG
[Notes]
• The above figures are recommendations only.
• The length of earth rod and the required depth depend on the composition of
the soil.
CO
Main
Unit
Grounding
Wire
Earth Rod
(Underground)
Lightning
Protector