Ground loops are the most common cause of AC line frequency hum in sound systems. Ground loop problems can be corrected and avoided. Also other electrical wiring related topics can be discussed here.
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- Introduction to this discussion group
by webmaster on Wed Aug 31, 2005 10:25 am
- 1 Replies
- 3657 Views
- Last post by Tomi Engdahl
on Tue Sep 08, 2009 1:41 pm
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- AFCI tripping
by Altz- on Fri Aug 24, 2007 5:43 pm
- 2 Replies
- 1562 Views
- Last post by T Taylor
on Sat Oct 31, 2009 1:27 pm
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- Build video groundloop solving devices
by Tomi Engdahl on Tue Sep 22, 2009 7:40 am
- 0 Replies
- 287 Views
- Last post by Tomi Engdahl
on Tue Sep 22, 2009 7:40 am
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- Troubleshoot ground loops with clamp multimeter
by Tomi Engdahl on Tue Sep 22, 2009 7:36 am
- 0 Replies
- 73 Views
- Last post by Tomi Engdahl
on Tue Sep 22, 2009 7:36 am
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- Power4Home energy solution
by daviddfss on Wed Sep 16, 2009 6:36 am
- 0 Replies
- 186 Views
- Last post by daviddfss
on Wed Sep 16, 2009 6:36 am
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- Hum on Violin Pre amp
by mula on Tue Jul 28, 2009 4:07 am
- 4 Replies
- 632 Views
- Last post by mula
on Thu Aug 06, 2009 6:38 am
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- living by high voltage lives
by grannybb on Mon May 25, 2009 5:56 am
- 2 Replies
- 684 Views
- Last post by grannyb
on Mon May 25, 2009 3:29 pm
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- Subwoofer noise in only 1 of 3 subwoofers
by Groundloop on Thu Apr 02, 2009 4:10 pm
- 4 Replies
- 1045 Views
- Last post by jpenna1
on Wed Apr 22, 2009 1:28 pm
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- Speaker hum
by Yesfan on Sat Nov 03, 2007 3:44 am
- 4 Replies
- 1832 Views
- Last post by jpenna1
on Wed Apr 22, 2009 1:23 pm
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- Amplifier Buzz
by jessejamesjim on Wed Sep 03, 2008 2:23 pm
- 2 Replies
- 988 Views
- Last post by jpenna
on Wed Apr 22, 2009 12:13 am
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- LIGHTING TRANSFORMER
by anantheswara on Thu Mar 19, 2009 2:43 am
- 1 Replies
- 746 Views
- Last post by Tomi Engdahl
on Sun Mar 22, 2009 8:46 am
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- Detailes for Studying reactor on grid
by anantheswara on Fri Mar 13, 2009 6:23 am
- 0 Replies
- 653 Views
- Last post by anantheswara
on Fri Mar 13, 2009 6:23 am
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- Permit for using european standard electrinics in the US
by Ottili on Fri Feb 20, 2009 11:17 pm
- 1 Replies
- 649 Views
- Last post by Tomi Engdahl
on Sun Feb 22, 2009 8:19 am
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- choose proper wire copper diameter
by mikefromitaly on Thu Feb 12, 2009 10:57 pm
- 1 Replies
- 730 Views
- Last post by Tomi Engdahl
on Tue Feb 17, 2009 2:34 pm
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- Energy saving lamps
by Tomi Engdahl on Mon Jan 26, 2009 5:50 pm
- 0 Replies
- 819 Views
- Last post by Tomi Engdahl
on Mon Jan 26, 2009 5:50 pm
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- Audiphile power
by Tomi Engdahl on Tue Jan 20, 2009 2:09 pm
- 1 Replies
- 544 Views
- Last post by Tomi Engdahl
on Fri Jan 23, 2009 12:34 pm
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- Isolation Transformer
by wkyong on Tue Jan 13, 2009 8:20 am
- 3 Replies
- 1245 Views
- Last post by Tomi Engdahl
on Fri Jan 16, 2009 1:05 pm
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- Substation Automation / Integrated Distribution Automation.
by mertkorkali on Thu May 24, 2007 7:59 pm
- 2 Replies
- 1641 Views
- Last post by Jignesh
on Fri Jan 09, 2009 3:55 pm
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- News: Holes in Earth's protective magnetosphere
by Tomi Engdahl on Thu Dec 18, 2008 2:34 pm
- 0 Replies
- 566 Views
- Last post by Tomi Engdahl
on Thu Dec 18, 2008 2:34 pm
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- On-line tool: Humbusters
by Tomi Engdahl on Fri Oct 24, 2008 2:07 pm
- 0 Replies
- 948 Views
- Last post by Tomi Engdahl
on Fri Oct 24, 2008 2:07 pm
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- Ground isolation
by elfan on Thu Dec 27, 2007 12:37 pm
- 1 Replies
- 1852 Views
- Last post by Tomi Engdahl
on Thu Oct 23, 2008 7:51 am
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- GFCI tripping when installing steam shower
by mona on Fri Jun 27, 2008 3:46 pm
- 1 Replies
- 1147 Views
- Last post by Tomi Engdahl
on Thu Oct 23, 2008 7:39 am
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- mains voltage and frequency
by fathead on Sat Mar 25, 2006 11:24 am
- 2 Replies
- 3007 Views
- Last post by Smeawayaroure
on Sat Jun 21, 2008 2:44 am
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- RCCB and ELCB
by anantheswara on Fri Nov 03, 2006 11:29 am
- 2 Replies
- 3293 Views
- Last post by Smeawayaroure
on Fri Jun 20, 2008 2:57 pm
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- Noise intereference in non-earth System
by ktak8888 on Fri May 23, 2008 8:43 am
- 3 Replies
- 1135 Views
- Last post by Tomi Engdahl
on Fri Jun 06, 2008 8:30 am
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- The danger low-power-factor loads pose for the energy grid
by Tomi Engdahl on Mon May 05, 2008 11:55 am
- 0 Replies
- 836 Views
- Last post by Tomi Engdahl
on Mon May 05, 2008 11:55 am
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- GroundLoop on YouTube
by codywalker on Fri Dec 22, 2006 5:40 am
- 6 Replies
- 2971 Views
- Last post by elfan
on Wed Dec 26, 2007 3:46 pm
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- hum from comp. to stereo
by Yesfan on Sat Nov 03, 2007 4:47 pm
- 1 Replies
- 1117 Views
- Last post by Tomi Engdahl
on Mon Nov 05, 2007 8:01 am
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- Hum, left speaker, for CD player only
by Victoria on Mon Oct 29, 2007 2:40 am
- 2 Replies
- 1369 Views
- Last post by Victoria
on Sun Nov 04, 2007 10:44 pm
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- Guitar Hum in my home studio
by rgellman on Fri Oct 26, 2007 5:18 am
- 2 Replies
- 1574 Views
- Last post by Tomi Engdahl
on Thu Nov 01, 2007 2:37 pm
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- Grounding in Portable Systems (Non-Earth Ground)
by Altz- on Tue Sep 11, 2007 3:21 am
- 1 Replies
- 1600 Views
- Last post by Tomi Engdahl
on Tue Sep 18, 2007 8:03 am
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- Protection and fault calculations
by Tomi Engdahl on Mon Sep 10, 2007 11:04 am
- 0 Replies
- 1252 Views
- Last post by Tomi Engdahl
on Mon Sep 10, 2007 11:04 am
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- CMOS sensor stops aquring images..
by Altz- on Tue Sep 04, 2007 10:56 pm
- 0 Replies
- 1114 Views
- Last post by Altz-
on Tue Sep 04, 2007 10:56 pm
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- why mains frequency variation is soo critical???
by Altz- on Tue Aug 14, 2007 6:05 pm
- 1 Replies
- 1441 Views
- Last post by Tomi Engdahl
on Wed Aug 15, 2007 5:04 pm
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- mains trip but not circuit breaker
by Altz- on Tue Aug 14, 2007 2:15 pm
- 1 Replies
- 1348 Views
- Last post by Tomi Engdahl
on Wed Aug 15, 2007 4:54 pm
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- Electrical nema50R
by Altz- on Tue Aug 14, 2007 3:55 am
- 0 Replies
- 1162 Views
- Last post by Altz-
on Tue Aug 14, 2007 3:55 am
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- Problems with Wiring a 230Vac oulet
by KHINDT on Wed May 23, 2007 4:29 am
- 1 Replies
- 1673 Views
- Last post by Tomi Engdahl
on Wed Aug 08, 2007 7:23 am
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- ripples between ground and earth
by uzmeed on Wed Jun 20, 2007 7:47 am
- 1 Replies
- 1889 Views
- Last post by Tomi Engdahl
on Wed Aug 08, 2007 7:11 am
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- Neutral grounding
by Altz- on Fri Jul 13, 2007 10:00 pm
- 0 Replies
- 1330 Views
- Last post by Altz-
on Fri Jul 13, 2007 10:00 pm
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- PC audio noise
by Altz- on Fri Jul 06, 2007 6:53 pm
- 1 Replies
- 1511 Views
- Last post by Tomi Engdahl
on Sat Jul 07, 2007 2:12 pm
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- [REQ] Nonlinear Phenomena in Power Electronics
by mertkorkali on Thu Jun 21, 2007 9:53 pm
- 0 Replies
- 1323 Views
- Last post by mertkorkali
on Thu Jun 21, 2007 9:53 pm
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- NEWS: Wireless energy promise powers up
by Tomi Engdahl on Mon Jun 11, 2007 8:34 am
- 0 Replies
- 1373 Views
- Last post by Tomi Engdahl
on Mon Jun 11, 2007 8:34 am
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- Help w/ Ground Loop... driving me insane.
by Altz- on Sat Jun 09, 2007 3:51 pm
- 0 Replies
- 1360 Views
- Last post by Altz-
on Sat Jun 09, 2007 3:51 pm
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- Synchronous Measurement over pipeline
by ella on Fri Jun 08, 2007 8:06 am
- 0 Replies
- 1415 Views
- Last post by ella
on Fri Jun 08, 2007 8:06 am
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- AVR and Stabilaizer
by Pavanjoshi5 on Tue Nov 14, 2006 3:58 am
- 1 Replies
- 2249 Views
- Last post by Tomi Engdahl
on Wed May 09, 2007 1:01 pm
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- Long Story, Big Problem - Need Help
by mike m on Wed Apr 04, 2007 6:24 am
- 1 Replies
- 1768 Views
- Last post by Tomi Engdahl
on Wed May 09, 2007 12:30 pm
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- Purpose of "earth" ground
by iamsand on Wed Apr 18, 2007 9:46 pm
- 3 Replies
- 3136 Views
- Last post by Tomi Engdahl
on Fri Apr 20, 2007 7:21 pm
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- Long Story, Big Problem - Need Help
by mike m on Wed Apr 04, 2007 6:14 am
- 2 Replies
- 1849 Views
- Last post by mike m
on Wed Apr 04, 2007 7:25 pm
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- Applications of clipping and clamping circuits (Urgently!)
by mertkorkali on Sun Mar 18, 2007 3:35 pm
- 1 Replies
- 2396 Views
- Last post by mrverma89@yahoo.com
on Sun Feb 15, 2009 4:16 pm
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- Applications of clipping and clamping circuits (Urgently!)
by mertkorkali on Sun Mar 18, 2007 3:24 pm
- 0 Replies
- 2125 Views
- Last post by mertkorkali
on Sun Mar 18, 2007 3:24 pm
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