Art, You're correct, try A.C. first,and test between the two terminals., I doubt anything in that circuit should be grounded.
Tom Fowle On Tue, May 04, 2010 at 09:00:49PM -0400, Art Rizzino wrote: > Thanks for the comments so far. > By the way where the wires came apart was near what I think is the > transformer. > Since I have one of the talking multi meters would it be a good guess to set > it to AC and check the thing that I assume is the transformer? If DC by > chance there will be no reading? Probably not a good idea to attempt putting > AC to the DC setting of the meter. > Electric testing probably is not my strong point. I am not afraid of > electrical but do respect it. > When using the meter, should I probe both terminals at the same time or > should I check each one at a time going to ground? > Guidance please. > Thanks. > Art > ----- Original Message ----- > From: Max Robinson > To: blindhandyman@yahoogroups.com > Sent: Tuesday, May 04, 2010 12:49 AM > Subject: [SPAM] Re: [BlindHandyMan] Diagnosing a doorbell > > > > I respectfully disagree. The voltage to a doorbell is either 16 or 24 volts > always AC. The transformer has two terminals as noted. The bell has three > terminals, One is common. The second is the two chime sounder and the > third one is the one chime sounder. One connection on the transformer goes > to the common on the bell. The other terminal on the transformer goes to > both buttons. The return from each button goes to the remaining two > terminals on the bell. Usually the front door goes to the two chime sounder > and the back door goes to the one chime sounder. You may have to experiment > to figure out which is the common. You will need assistance to push the > buttons anyway so if that help is sighted you might as well have her read > the labels on the bell box. > > Regards. > > Max. K 4 O D S. > > Email: m...@maxsmusicplace.com > > Transistor site http://www.funwithtransistors.net > Vacuum tube site: http://www.funwithtubes.net > Music site: http://www.maxsmusicplace.com > > To subscribe to the fun with transistors group send an email to. > funwithtransistors-subscr...@yahoogroups.com > > To subscribe to the fun with tubes group send an email to, > funwithtubes-subscr...@yahoogroups.com > > ----- Original Message ----- > From: "Bob Kennedy" <inthes...@att.net> > To: <blindhandyman@yahoogroups.com> > Sent: Monday, May 03, 2010 8:09 PM > Subject: Re: [BlindHandyMan] Diagnosing a doorbell > > > The voltage should be 12 volts DC. I don't know which terminals are live > > or ground though. You can tape over the bear wires to the point you only > > have a bit more than the hook at the ends. Then have someone work the > > door bell, or tape a couple coins to the button to keep it live. Then you > > can make the individual contacts and see which way works. > > > > > > ----- Original Message ----- > > From: Art Rizzino > > To: blindhandyman@yahoogroups.com > > Sent: Monday, May 03, 2010 8:32 PM > > Subject: [BlindHandyMan] Diagnosing a doorbell > > > > > > > > I would like guidance diagnosing my house two door doorbell setup. The > > wiring always looked shaky to me. Today I was coming down out of the > attic > > and my shirt got caught on the door bell wires and pulled them apart. > Well > > I guess this is the time to figure out the system and make better > > connections than twisting wires together and let exposed bear wires > > dangle. This is how it was when we bought the house. > > > > The front door you hear two tones and the side door there is one tone. > > > > I assume each door's button should have two wires coming from it. > > > > The doorbell box has four wires in two pairs of two wires. There are > > three terminals in the doorbell box, the center terminal has two wires > one > > from each set. What is the center terminal, negative or positive? > > > > What might be the voltage required to activate one of the doorbells? > > > > There is what I assume is an AC to DC transformer included in the system. > > This little box only has two terminals on it, is this a typically a > steady > > DC voltage supply? > > > > What might be the correct way to connect the wires for such a system? > > > > Ideas, guidance and suggestions welcome. > > > > Thanks. > > > > Art > > > > [Non-text portions of this message have been removed] > > > > > > > > > > > > [Non-text portions of this message have been removed] > > > > > > > > ------------------------------------ > > > > Send any questions regarding list management to: > > blindhandyman-ow...@yahoogroups.com > > To listen to the show archives go to link > > > http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=33&MMN_position=47:29 > > Or > > ftp://ftp.acbradio.org/acbradio-archives/handyman/ > > > > The Pod Cast address for the Blind Handy Man Show is. > > http://www.acbradio.org/news/xml/podcast.php?pgm=saturday > > > > Visit The Blind Handy Man Files Page To Review Contributions From Various > > List Members At The Following address: > > http://www.jaws-users.com/JAWS/handyman/ > > > > Visit the archives page at the following address > > http://www.mail-archive.com/blindhandyman@yahoogroups.com/ > > > > If you would like to join the JAWS Users List, then visit the following > > address for more information: > > http://www.jaws-users.com/ > > For a complete list of email commands pertaining to the Blind Handy Man > > list just send a blank message to: > > blindhandyman-h...@yahoogroups.comyahoo! Groups Links > > > > > > > > > > > > > > [Non-text portions of this message have been removed] >
