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- From: Carlos Eberhardt <eber0005@student.tc.umn.edu>
- Subject: Induced voltages
- Message-ID: <1992Nov18.155708.28508@news2.cis.umn.edu>
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- X-Xxdate: Wed, 18 Nov 92 09:54:45 GMT
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- Organization: University of Minnesota
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- Date: Wed, 18 Nov 1992 15:57:08 GMT
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- I recently read in a response to a post that induced voltages are
- believed to be the cause of hole-in -the-head. I am assuming that these
- voltages are caused by the electric motors in powerheads and power
- filters (by the coils used to drive the motors?).
- Is this a good assumption? If so, then what is the theory behind
- grounding a tank? (I guess this may be more of a question for an
- electrical engineer, but aquarium folks often end up being biology smart,
- so why not eletrical?).
- Also, is there a way to build your own grounding device? I've heard one
- can be bought for about $30, but if I can build one cheaper, I'd like to.
- Responses directly to me are preferred, but if this topic seems
- interesting enough, you may want to post to the board.
- Thanks in advance for any responses!
-
- Carlos Eberhardt --------> eber0005@student.tc.umn.edu
-