If I was to recommend anything it would be a reliable internet connection and a search engine! Who needs books these days for fact based stuff?
I agree that a resourceful searcher can find almost anything on the internet. Unfortunately, a lot of it is not vetted for accuracy. There is a lot of fiction out there that is presented as fact.If I was to recommend anything it would be a reliable internet connection and a search engine! Who needs books these days for fact based stuff?
But I think there is a certain responsibility to teach the 'correct' way.No, I don't think the use of the earth ground symbol as a generic symbol for the circuit common node is the fault of AoE. Remember that we are talking "electronics" and not "electical machinery". Rightly or wrongly, the distinctions between circuit common, chassis ground, line neutral, and earth ground are largely unknown/ignored in much (not all) of the electronics world.
Who gets to determine what is "correct"? It might seem simple and obvious, but it isn't. The reality is that there are plenty of examples in which the same term is used by different fields to mean very different things. Usually this stems from a history in which the two fields start out completely unrelated but, as you noted above, fields don't always stay disconnected forever.But I think there is a certain responsibility to teach the 'correct' way.
Example: The CNC machine in now in the realm of DIY hobiests, with a very large following, this has become a marriage of Electrical/Industrial electronics and home built break-out boards and personal computers etc.
When all of these come together it is imperative to have some kind of standard, because I know from a fact of visiting and helping in these forums that it requires clarification many times over to explain there is a difference.
If the A.Radio guys could do it in 1984 I don't see why it cannot be instilled now.
I know from way back when I took Industrial electronics, it was instilled in us to use the right symbols when drawing schematics.
Also to use an identifying label for a particular 'Common' rather than using the all encompassing GND as is often done now.
Not sure how you came up with that conclusion??I would be willing to wager that you were not taught how to approach the use of units in your work properly, which is something I, personally, believe SHOULD be simple and obvious. .
A very sad comment on the point I am trying to make!Not a single one of the texts I examined used a symbol that was different from the one I customarily use.
I won't.I wouldn't lose sleep over it.
Welcome to the club. It's all in the mix along with people that think and discuss things interms of voltage flowing through something or current going over something. Not to mention the situation with units tracking.It gets very frustrating some times when attempting to provide help and support to those dealing with these products and instructions and instilling the fact there is a distinction.
Pretty much.Probably beating my head against a brick wall
I think that it's a good idea. Especially since it might foster comments on how people in different fields, such as IC design versus aircraft design versus utility grid folks, typically use the various symbols and terms.I'm thinking about a "sticky" titled, "Is ground the same as common?"
A bit of a deceptive title, but enough to suck in the uninitiated, and the uninitiated are the target audience. This thread could be used to explain the various ground symbols and the differences between common, ground, bond, and neutral.
Like many, I am aware the internet can be an excellent disseminator of information, but unfortunately also for mis-information, which often is taken as gospel.Doesn't mean that it is entirely pointless to keep doing so, just don't expect to foment any major changes.
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by Jake Hertz