then is it to assume that a totally blind person cannot know by the switch if the light is on or not, in case of doubles?
On Mon, 11 Dec 2006, Dale Leavens wrote: > There is no way I know of to have both switches the same way all of the > time. Maybe someone can explain it to me. > > Let us just walk this through. > > Assuming both switches are in the down position to begin with the lights > off: > > Enter at door a and flip the switch up to turn on the light. now switch a is > up and switch b is down and the light is on. > > Leave through door b and turn off the light. That switch be will now be up > with the light off. Now you have both switches in the up position but the > light is off. If you then enter from A again you will have to push the > switch down to turn the light on. The position of the switches will be > random according to the sequence of their use. > > The post below is the second referring to synchronizing the switch positions > as if there is some way to do this by the wiring. I must be missing > something but I can't figure it. None of my double switches here and I have > wired six double switches and one four switch circuit are marked top or > bottom or on or off. I always assumed this was why, there is no guarantee > about which state they will be in at any time. > > > > Dale Leavens, Cochrane Ontario Canada > [EMAIL PROTECTED] > Skype DaleLeavens > Come and meet Aurora, Nakita and Nanook at our polar bear habitat. > > > ----- Original Message ----- > From: "Michael Baldwin" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Monday, December 11, 2006 8:06 AM > Subject: RE: [BlindHandyMan] hello and 3-way switches > > >> Scott, >> If power is coming in to your switch now, and the doors are on opposite >> sides of the room, I would wire it power, switch 1, light, switch 2. >> 14-2 coming in to switch one for power >> 14-3 to light from switch 1 >> 14-3 from light to switch 2 >> >> at switch 1: >> connect grounds together with a pig tail so you can connect them to the >> switch >> connect the white from the power to the black going to the light >> connect the black from the power to the common screw on the switch (which >> is >> the dark colored screw) >> connect the red and white from the 14-3 to the remaining traveler screws, >> don't matter which goes where >> >> switch 2: >> connect ground to ground screw on switch. >> connect the black to the common screw of the switch >> connect the red and white to the traveler screws. If you want both >> switches >> to be the same direction when the light is on or off, connect them the >> opposite way you did on switch 1. >> >> light: >> connect the reds together. >> connect the whites together >> connect the grounds together with a pig tail. >> connect black from switch to to black on light >> connect black from switch 1 to white on light. >> connect ground to light. >> >> turn on power and test. >> If your power is coming to your light fixture first, let me know, and I >> will >> give you instructions for that. >> Let us know how it goes. >> >> Michael >> >> >> >> _____ >> >> From: [email protected] [mailto:[EMAIL PROTECTED] >> On Behalf Of Scott Howell >> Sent: Sunday, December 10, 2006 18:26 >> To: [email protected] >> Subject: [BlindHandyMan] hello and 3-way switches >> >> >> >> Hello all, >> >> My name as the e-mail header indicates is Scott Howell. I live in >> Mount AIry Maryland and have been blind since birth. I have learned a >> lot of my handyman activities just by figuring out things on my own >> and with a few questions. Can't say everything I've done was pretty, >> but I got the job done. I've done lots of plumbing, electrical, and >> some other repairs like hanging doors and the like. >> I however have a few projects of the electrical variety and one of >> those I have to admit I'm not overly sure of. >> I have a need to install a 3-way switch arrangement. What I have is a >> bathroom where the fools that built this place put the switch clear >> on the otherside of the room near a secondary door and not near the >> main door off the hall. >> So, my understanding is that I would remove the old switch, I'd need >> two 3-way switches, and 3 conductor cable with ground so that makes >> four wires total. Now what I'm not overly clear on is how to rig this >> up. I understand basic switches to a light fixture in that power >> comes into the switch and I'm essentually making a loop from the >> fixture back to the switch. Now, I do know a 3-way switch has one >> common terminal and two traveler terminals as well as a ground. Now I >> also understand that I need to rig things up so that when one switch >> is closed, the other is able to break the circuit. >> At this point I'm getting fuzzy and not clear how to physically wire >> this up. Here's what I think and please any advise would be >> greatfully appreciated. >> >> 1. The light fixture is still wired in a loop configuration like it >> would with a regular switch were there, I would hook the hot wire to >> the common terminal on the the switch, connect the black wire we'll >> call it, now I'd hook a white to the traveler, and maybe the other's >> red can't recall, but that would go to the other traveler, and at the >> other end of this I'd be hooking up the same wires, black to common, >> white to another traveler, and red to the other traveler. Of course >> ground to ground throughout. >> Now I'm probably wrong on this, but I figure someone here has done >> this and would have some answers and I'd sure appreciate the help. >> Now I've been listening to the Blind Handyman show and its just great >> and a valuable service. >> >> Thanks to all in advance. >> >> Scott >> [EMAIL PROTECTED] <mailto:s.howell%40verizon.net> net >> >> >> >> >> >> >> [Non-text portions of this message have been removed] >> >> >> >> To listen to the show archives go to link >> http://acbradio.org/handyman.html >> 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 >> >> The Pod Cast address for the Cooking In The Dark Show is. >> http://www.gcast.com/u/cookingindark/main.xml >> >> Visit the new archives page at the following address >> http://www.mail-archive.com/[email protected]/ >> For a complete list of email commands pertaining to the Blind Handy Man >> list just send a blank message to: >> [EMAIL PROTECTED] >> Yahoo! Groups Links >> >> >> >> >> >> >> -- >> No virus found in this incoming message. >> Checked by AVG Free Edition. >> Version: 7.1.409 / Virus Database: 268.15.15/581 - Release Date: 9/12/2006 >> >> > > To listen to the show archives go to link http://acbradio.org/handyman.html 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 The Pod Cast address for the Cooking In The Dark Show is. http://www.gcast.com/u/cookingindark/main.xml Visit the new archives page at the following address http://www.mail-archive.com/[email protected]/ For a complete list of email commands pertaining to the Blind Handy Man list just send a blank message to: [EMAIL PROTECTED] Yahoo! 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