CT wire -quick question

g(f(e)) · 12th January 2008, 10:59 PM

I have another quick question.

I need a few suggestions on what to do with the unused CT wire on the secondary. I am thinking about cutting it an inch or so long and using a wire nut with tape.

Is this a good way of doing this? If not, what would be considered the right way.

Thanks again.

Gary

kuroguy · 12th January 2008, 11:48 PM

I usually leave extra wires long (in case you need them in the future), fold the end over and cover with heat shrink tubing.

Colt45 · 13th January 2008, 01:27 AM

I do the same thing as kuroguy.

refference · 13th January 2008, 03:46 AM

I do the same thing , too !!

g(f(e)) · 13th January 2008, 04:23 AM

Thank you. I know now exactly how to do it.

I think this is a very good forum.

Gary

EC8010 · 13th January 2008, 09:48 AM

Why have you got an unused CT wire?

g(f(e)) · 13th January 2008, 05:32 PM

Why have you got an unused CT wire?

The circuit I am building does not use the center taps on the transformers that I purchased ( at least I think they are not used ). I will try to explain the best I can to make sure because you have raised doubt and I am not informed enough to know if I am doing it right.

The transformer I am using is a Hammond 167G120 it is a 120.0ct. I am using just the two secondary wires going into a voltage doubler and then two Zener diodes that hold the voltage at 200V. I have one 200V supply and one - 200V supply. So I am using two of these transformers.

My filament transformer is a Hammond 167L12 it is a 12.6ct. I am using the two secondary wires on this transformer going into a bridge and then a 12V regulator.

Does this sound right?

Thanks

Gary

EC8010 · 13th January 2008, 06:06 PM

That sounds fine. Those centre taps aren't needed.

12th January 2008, 10:59 PM	#1
g(f(e)) diyAudio Member Join Date: Dec 2007	CT wire -quick question I have another quick question. I need a few suggestions on what to do with the unused CT wire on the secondary. I am thinking about cutting it an inch or so long and using a wire nut with tape. Is this a good way of doing this? If not, what would be considered the right way. Thanks again. Gary

13th January 2008, 09:48 AM	#6
EC8010 diyAudio Moderator Emeritus Join Date: Jan 2003 Location: Near London. UK	Why have you got an unused CT wire? __________________ The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference...

13th January 2008, 06:06 PM	#8
EC8010 diyAudio Moderator Emeritus Join Date: Jan 2003 Location: Near London. UK	That sounds fine. Those centre taps aren't needed. __________________ The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference...

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12th January 2008, 11:48 PM	#2
kuroguy diyAudio Member Join Date: Sep 2007	I usually leave extra wires long (in case you need them in the future), fold the end over and cover with heat shrink tubing.

13th January 2008, 01:27 AM	#3
Colt45 diyAudio Member Join Date: Feb 2002 Location: Canada	I do the same thing as kuroguy.

13th January 2008, 03:46 AM	#4
refference diyAudio Member Join Date: Jan 2006 Location: SAO PAULO - SP	I do the same thing , too !!

13th January 2008, 04:23 AM	#5
g(f(e)) diyAudio Member Join Date: Dec 2007	Thank you. I know now exactly how to do it. I think this is a very good forum. Gary

13th January 2008, 05:32 PM	#7
g(f(e)) diyAudio Member Join Date: Dec 2007	Why have you got an unused CT wire? The circuit I am building does not use the center taps on the transformers that I purchased ( at least I think they are not used ). I will try to explain the best I can to make sure because you have raised doubt and I am not informed enough to know if I am doing it right. The transformer I am using is a Hammond 167G120 it is a 120.0ct. I am using just the two secondary wires going into a voltage doubler and then two Zener diodes that hold the voltage at 200V. I have one 200V supply and one - 200V supply. So I am using two of these transformers. My filament transformer is a Hammond 167L12 it is a 12.6ct. I am using the two secondary wires on this transformer going into a bridge and then a 12V regulator. Does this sound right? Thanks Gary

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