Grounding / LP for metallic fencing

[Keri_WW]

From the bits and pieces I have read on this website about fences and grounding, fences don't need to be grounded unless they are likely to be energized. Is this correct? I also take this to mean that no protection from lightning is needed as well. Can anyone confirm this?

The fence is all metallic and is about 80' away from the building it is surrounding. I'm about 95% sure I don't need any grounding or LP for it, but wanted to make sure!

Thanks.
Keri :grin::grin:

 

[raider1]

Correct, the NEC does not require that a fence that is not likely to become energized be grounded or bonded in any way or provided with a lightning protection system.

Chris

 

[Keri_WW]

Correct, the NEC does not require that a fence that is not likely to become energized be grounded or bonded in any way or provided with a lightning protection system.

Chris

Good! I guess the only debate now is how close can a transformer be before you have to consider that it could possibly energize the fence... :grin:

 

[bphgravity]

The fence is likely already its own built-in LPS. If the structural posts are metallic and driven or encased in concrete within the earth, and then each fence segment is connected / tied to the posts, you can't get much better grounding than that. In reality, the fence would serve as a rather nice grounding electrode for an LPS / electrical system, though not recognized by the code.

I too don't see any necessity for bonding of the fence as well.