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In Reply to: Another red herring. What does the industry's best efforts have to do with this topic? posted by Norm on July 5, 2006 at 11:17:01:
...in your case this seems to fit you like a glove;Those that can, DO. Those that can't, TEACH.
Follow Ups:
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...and little else
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learned.I have several EE friends and know many electricians who don't have these anxieties. Did something happen?
I also don't understand the anger that leads you to insults and other unconstructive comments.
Your comments did cause me to consult with my city's electric department about ground home electrical systems as well as the electrical engineer at a local radio and tv station. I found little of what you say is true and that they are more concerned with the practical implications of grounding.
I think we should be lightening the load here. : <)
I don't know who you consulted or what you told them but not only is your knowledge nil, I'll say it again, your advice is dangerous and reckless and you should stick to areas you do know something about like teaching history or english lit or whatever it is you do.The NEC code has evolved for nearly 100 years for one purpose only and that is electrical safety. It's the reason there are so few electrical fires and electrocutions in the US compared to the rest of the world. The grounding chapter is by far the largest because it is by far the most important. It's there to save lives. If your stereo buzzes a little because of it, so what? You can live with that. I make my livelihood designing and installing these kinds of system and I'm happy to say that not one single person on any of my countless projects has ever been seriously hurt or killed as a result of an electrical accident. I've seen more hairbrained grounding schemes than I can count including from other EEs and even electricians. You wouldn't believe some of the moronic things I've seen myself let alone heard of. And I've seen the tragic results of other people's mistakes too. When someone who read a few articles in magazines, a few slick ads, and then starts giving advice about many things, they may just cost people wasted time, money and disappointment in most areas but in this area it can also cost them their lives. As I said elsewhere, I don't know who I'd consider dumber, untrained people who give this kind of advice, or people who follow it. Stick to history or English lit or whatever it is you teach. Leave electrical grounding to the National electrical code, licensed electricians, and building inspectors.
This is what I posted earlier. I don’t think your diatribe or usual resorting to red herring arguments that do not pertain to your position has totally failed to your misinformation.I just talked to the city (electrical inspections department) as well as an electrical engineer at a local radio station. First, the city adopts the national code with amendments. My city is using the 2002 code as it has yet to evaluate the 2006 code. My steel connector is no longer compliant with the code as 8' copper rods are now required. I asked if I needed to replace the rod. He said no, but were I to change my electric service and have an inspection, they would probably want me to change the rod, which he said I could easily do myself. I asked about the acorn connector, which I find insufficient. He agreed but said that it was suggested to allow disconnecting the house in some circumstances, but that the wire could easily be cut if I wanted a better connector.
I then asked about having a better system installed, as I wanted lower impedance to ground. He said that many people were doing this now to improve their high definition television image. I told him about what I was thinking about with a weld connection to the house electrical system and asked if I would need an inspection. He said no inspection was needed and even said that I could probably do it myself. He did say that driving multiple copper rods and connecting to all would probably be even better than what I was considering. He also said that here he doubted the diatomaceous earth surround was neither necessary nor the watering, especially were I to have four 8' long rods.
The radio station guy said that yes they had to improve the city's code as they were using sensitive equipment and had to deal with high probabilities of lightening strikes. He said that they use a field of rods, but could not remember how many. He said that lower impedance to ground was quite important to the quality of their signal, and again volunteered that many home users were doing so in recent years to improve television picture quality.
In short your indifference to quality and overactive concern with safety is your opinion only, as is your belief that only the code, licensed electricians, and building codes can be trusted. I have always thought you to have an exaggerated concern for safety over quality, now I know I was right. Your claims to knowledge are clearly exposed. Am I to trust what building inspectors, radio station electrical engineers, and my confidence that I can deal with matters such as grounding or someone with an exaggerated concern with the code being the letter of what you must do, no better and no worse? You too had better keep your day job where your limited understanding of EE is most useful and rightfully should keep with your dependency on others to define what you do. I can only imagine what your sound and picture quality must be and think I can understand why you hear no differences among cables, think UPSs are necessary and have no impact on sound, believe that equalizers can improve the quality of signal, etc.
It is scary that there are those who share your high anxiety. All I can say is that those following your ill-conceived advice and not attempting to improve, in perfect safety, the quality of their stereo and video performance deserve to suffer with mediocre performance. Perhaps you should rely on battery powered equipment only, or better yet hand cranked.
Going beyond the code is not necessarily the same as going against it.
____________________________________________________________
"Nature loves to hide."
---Heraclitus of Ephesus (trans. Wheelwright)
I thought you avoided that kind of thing... After all, you are the ethics cop, right?
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