7232c9f4_ing_Electrodes___E_S_Grounding__Driven_Rod
[0] Electrode Ampacity [Advanced Driven Rod] Average [Grounding Plate] Average [Concrete Encased Electrode] Average * [Building Foundation] Above Average * [Water Pipe] Poor to Excellent** [Electrolytic Electrode] Excellent [Driven Rod] 
Poor
P o o r
H i g h l y A f f e c t e d
R T G W o r s e n s
A v e r a g e
P o o r 5 – 1 0 y e a r s
Different Types of Grounding Electrodes - E&S Grounding
Driven Rod