My house is older, with an unfinished basement!
I plan to make a bedroom and a laundry room down there!
Presently, a single pole switch at the top of the stairs controls the basement lights!
Our building code requires that sleeping quarters in the basement requires a 3way switching arrangement, to be installed!
However, the 14/2 cable follows a route that cannot be fished or the cable to be pulled out.
So, I would like to use the present switch and cable to operate a relay. The relay having a 120 volt coil and a set of make/break contacts, to perform the function of the 3 way switch.
So, my question is, is this legal? And if so, is there a product out there, that is available for this type of function?
How right you are! I must be getting dotty! Less than 12 months ago, I suggested this to a friend, so that they could have 3 way switching at his church!
Then, promptly forgot about it for myself! Duhhh!
So abandon the wire in-place and fish wire from the switch box along some other path. Basically pretend like you were starting over. If you have an unfinished basement, then I would think enough stuff would be open to allow running a whole new circuit.
What about egress, garage, and ventelation requirements. Modern codes require that a bedroom have some sort of direct access to the outside via either a door, or a window of a certain minimum size. The bedroom can not open directly into a garage. (There were so many new requirements between the time our house was built with an unfinished basement, and the time I started to finish in the basement, I just abandoned the idea of adding a bedroom in the basement and I'm making the space to be a huge walking-air-conditioned closet.)
So abandon the wire in-place and fish wire from the switch box along some other path. Basically pretend like you were starting over. If you have an unfinished basement, then I would think enough stuff would be open to allow running a whole new circuit.
What about egress, garage, and ventelation requirements. Modern codes require that a bedroom have some sort of direct access to the outside via either a door, or a window of a certain minimum size. The bedroom can not open directly into a garage. (There were so many new requirements between the time our house was built with an unfinished basement, and the time I started to finish in the basement, I just abandoned the idea of adding a bedroom in the basement and I'm making the space to be a huge walking-air-conditioned closet.)
The present switch is on the outside wall of the stair well. The wire was run, before the stairs were put in place and the walls were insulated.
The only way I can get new wire to the location would be to run it in surface conduit!
There are all sorts of regs for basement living accommodations. Emergency egress being one of these! I'm required to provide an exit of 3.8 s.f. and a coal shut was put in place for this place, that is exactly 4 s.f. and I will use this!
Any regular switch can be converted to 3 way thusly: Leave all the existing wiring in place and add a 3 conductor cable from the original switch to the new switch location.
Then you take the two wires off the old switch. Connect one to the common terminal of the first 3 way switch and the other to the black wire of the new cable. At the new switch location connect the black wire to the common terminal of the second 3 way switch. Connect the remaining wires to the traveler terminals of the switches.
It is possible you will need to install a bigger box at the original switch location.
Hmmm... Can you get away (I did not say correctly) using a white as a traveler?
What's more important is that the white may not be the switched power coming back to the light. So using the white for the common terminal of the far switch mandates identifying the two wires coming off the old single pole switch as to which is the panel feed (unswitched power) to attach to the white wire of the new 3 wire cable at the near switch, preserving the red and black for use as travelers.
Just to clarify, what I would like to do, I'll attempt to attach a sketch of what I visualize!
That was easier than I thought! [grin] I would like to use a relay with a 120 volt coil and a set of make/break contacts! And am looking for ideas of where to find one that would work in this application!
Just a personal comment. While it will work as a 3 way workaround, I don't feel comfortable with a simple relay system since depending on the switch positions, the relay coil may be energized for long periods of time such as overnight holding the contacts in the position for lights off.
The relay having a 120 volt coil and a set of make/break contacts, to perform the function of the 3 way switch.
So, my question is, is this legal? And if so, is there a product out there, that is available for this type of function?
What would be the advantage of using 24 vac versus 120 vac?
I'm not totally happy about having the relay energized all the time, and if there was a 'ratchet' type relay, that would be ideal!
Maybe, I should rethink this! Perhaps a surface run of 'Wiremold' should be considered!
From what I can tell, the way you would wire it up is to run power to the VPS15 switch at the bottom of the stairs, replace the existing switch with a VPOSR, and use the existing 14/2 cable to connect the two.
As I generally understand it, when you flip the VPOSR switch, that sends a single to the VPS15 telling it to toggle. In other words, the actual control of the power to the lights occurs in the VPS15. Via the VPOSR, you basically tell the VPS15 to toggle its current state.
The cost of the two switches together (excluding shipping, etc) is around $30.
Hey, I think that you have come up with the solution. Took me a half hour to understand how they work!
It gets even better, as I was considering a 4 way switch. I think that you can have any number of remote switch's, any one of which can trigger the main, off and on!
Thanks for the suggestion, I'll explore this further and if I go this way, I'll let you know!
Try googling "wireless 3 way switching" There are alot of wireless 3-way switches from many manufacturers available! I have never used them but I haven't heard anything bad about them either. Might be worth a shot! Here's a couple links!
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