Electrical code for Marcellus drilling pads?

[TLCPA]

Pennsylvania is getting a lot of drilling pads for Marcellus shale. These drilling pads can have 3 MW or more of diesel generators supplying motors as large as 1600 HP. What is the appropriate electrical code for these drilling pads?

 

[waross]

Basic NEC plus API (American Petroleum Institute). API grounding of equipment is much more stringent than NEC requirements.

Bill
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