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And you put too little faith in "code"...

You obviously didn't read my other comments or you woudn't have made the comments you did.

1. The intent of the code is to assure a safe electrical installation, not necessarily an adequate or a reliable one. That is the job of a trained electrical engineer.

2. It is not a handbook or specification for untrained persons.

3. The local electrical inspector is the ultimate arbitor of what the code says. He is in a position to KNOW what special problems are often encountered in his geographical area of jurisdiction and how to deal with them, not some self appointed expert on the internet.

Additionally;

4. If your installation exceeds the minimum requirements of the code, it must still meet the code. This means that if you install something you don't have to, it must still be installed in a way that is consistant with what would be required if you did. Even if you meet the code's minimum requirements, you can't just go ahead and do whatever else you want.

Self appointed experts posting on the internet are not the kind of people you want to rely on to make these kinds of judgements. Speak with some of your electrical subcontractors. I'll bet you that if they have any questions or doubts, they don't just go out and do whatever pops into their mind, they find out what the code officil wants to see first. The shoot form the hip kind of advice you get on message boards like this may not matter if you just blow up amplifiers and speakers but when you get into potentially life threatening areas, that's another story.

In my 30+ years in the business, I have seen and read about more hair brained grounding schemes than I can count. In the end, the ones which were safest and worked best were exactly the ones which met the requirements of the NEC.


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