Ground Rod Questions

[tombrinson]

I took the exam in April and did not pass.

I had several questions related to multiple ground rods, equivalent resistance and spacing questions. Anyone have a good reference for these?

 

[EEVA PE]

I took the exam in April and did not pass.
I had several questions related to multiple ground rods, equivalent resistance and spacing questions. Anyone have a good reference for these?

NEC

 

[BamaBino]

I took the exam in April and did not pass.
I had several questions related to multiple ground rods, equivalent resistance and spacing questions. Anyone have a good reference for these?

Do you mean that out of the 80 total questions several questions related to multiple ground rods, equivalent resistance and spacing?

 

[EEVA PE]

I took the exam in April and did not pass.
I had several questions related to multiple ground rods, equivalent resistance and spacing questions. Anyone have a good reference for these?

Do you mean that out of the 80 total questions several questions related to multiple ground rods, equivalent resistance and spacing?

I am hoping all the ground rod stuff can be answered from the NEC