Earthing bar class 1 division one or two

[reyamkram]

In a class one division one or two hazardous location the earthing bar material should be copper or can you use a different type of material the bar that is connected to the grounding electroconductor and then the building Steel thank you for all and any information

 

[petersonra]

In a class one division one or two hazardous location the earthing bar material should be copper or can you use a different type of material the bar that is connected to the grounding electroconductor and then the building Steel thank you for all and any information

I don't believe there are any special rules about this for classified areas. But what would the point be?

 

[rbalex]

Any grounding/bonding requirements, unique to Class I locations, are found in Section 501.30. Otherwise grounding simply complies with Article 250.

The term “grounding electroconductor” is unrecognized in Article 250 raising the question of purpose.