Art. 547

[Peter C.]

The intereior of a livestock barn contains a concrete walkway for the animals and earthen pens. should the earthen pen areas have an equipotential plane under them as well? or maybe just a voltage transition ramp from the walkway into the pen?
Your thoughts?

 

[dcspector]

The intereior of a livestock barn contains a concrete walkway for the animals and earthen pens. should the earthen pen areas have an equipotential plane under them as well? or maybe just a voltage transition ramp from the walkway into the pen?
Your thoughts?

No for walkway and No for earthen pen 547.10(A) Concrete and Confinement are the Key Words.