JWall886
New User
- Location
- Salt Lake City
- Occupation
- Electrical Engineer
I have been looking at these standards in the NEC and have tried to look into the NESC (which I know isn't relevant for this situation as it is not a substation) but haven't found a good answer. We're looking at installing a new fence around a station with a CP (Cathodic Protection) system and it is our standard to have the fence be grounded. This particular station is closest ~80 feet to anything besides the incoming and outgoing pipes running under the fence that have the CP system associated with it (much further than the NEC required 16ft for fence grounding). From my understanding it doesn't need to be grounded in this scenario but that is company standards and not a hill I am willing to die on.
All this being said, I can't find anywhere what the maximum distance that is accepted as okay to space grounding rods along the fence. I know about the bonding jumpers length (160 ft) and that the gate posts need to be connected to the grounding system but otherwise I can't find anything anywhere. Our company standard is 20 feet which with the size of our fences, plus the lack of actual need to ground the fence, is frivolous imo but I'm trying to find something to back a number up by instead of picking an arbitrary number for when we look to update the standards.
All this being said, I can't find anywhere what the maximum distance that is accepted as okay to space grounding rods along the fence. I know about the bonding jumpers length (160 ft) and that the gate posts need to be connected to the grounding system but otherwise I can't find anything anywhere. Our company standard is 20 feet which with the size of our fences, plus the lack of actual need to ground the fence, is frivolous imo but I'm trying to find something to back a number up by instead of picking an arbitrary number for when we look to update the standards.
