- Location
- Lockport, IL
- Occupation
- Retired Electrical Engineer
I am separating this issue from a previous thread of mine. Consider the following:
? Pour a small concrete pad (3? x 5?), some distance away from a building.
? Place on the pad a manufactured skid that includes a couple pumps and some valves, pipes, and motor controllers.
? Provide power to the skid via a single branch circuit from the nearby building.
Question 1: Does this meet the definition of ?structure,? per NEC article 100?
Question 2: If the answer to #1 is ?yes,? then do the requirements of NEC 250.32 apply (i.e., is a grounding electrode required)?
For my part, I have never installed ground rods near skid-mounted water processing equipment. But the equipment has always been inside the same building as the source of power. So this is a new territory for me.
? Pour a small concrete pad (3? x 5?), some distance away from a building.
? Place on the pad a manufactured skid that includes a couple pumps and some valves, pipes, and motor controllers.
? Provide power to the skid via a single branch circuit from the nearby building.
Question 1: Does this meet the definition of ?structure,? per NEC article 100?
Question 2: If the answer to #1 is ?yes,? then do the requirements of NEC 250.32 apply (i.e., is a grounding electrode required)?
For my part, I have never installed ground rods near skid-mounted water processing equipment. But the equipment has always been inside the same building as the source of power. So this is a new territory for me.