(1) Below permanent moisture level. If practicable, pipe electrodes must be embedded below the permanent moisture level and be free from nonconductive coatings such as paint or enamel. Exception: A ...

Q. What are the requirements related to the use of a ground rod for the grounding electrode system, including sizing of the grounding electrode conductor? (Answer based on 2011 NEC.) A. Ground rod ...

Few topics in the industry elicit as much controversy as grounding. Poor grounding practices cause ongoing equipment problems in a facility, whereas proper deployment ensures reliable and productive ...

The author is southwest tech engineer for Wheatstone Corp. Hardly a week goes by that the Wheatstone Tech Support department doesn’t get at least one call from a customer who is having equipment ...