I was looking at this
(Amazon.com product link shortened)
It seems to be a ceiling light with a switch that controls it
wirelessly, rather than with a cable looped in. Why isn't that used
more? I'm looking at some major electrical rewiring, and this would save
an awful lot of chasing out the walls to drop the cables down to the
light switch. Compared to the cost of chasing, making good, and redecs,
this is only £15.
What am I missing? Why isn't this done routinely, even for new-builds?
I guess because at some point down the line, like wireless doorbells, when
it stops working you then have the aggro of not knowing whether it's the
bell/bulb or the battery in the transmitter.
Having said that, I retro-fitted two switches like this to save a hell of a
lot of aggro when I wanted to reposition the switches and they'd worked
perfectly since. I would certainly use something like this again in
They don't have to have batteries. There are radio operated switches
that use tiny amounts of power and can self charge from changes in room
temperature, light, vibration or simply from the mechanical action of
pressing the switch. For example here is a mechanical one:
We certainly have two lights where a wireless switch would have been useful.
I re-wired when I moved in. When I married and SWMBO moved in, we
We have since bought a wider bed, which won't fit in the same position
as the old one, so we can no longer turn the light on and off from in
bed - the second switch is actually behind the wardrobes and the bed is
against another wall. The room does not need decorating and will only be
due a coat of emulsion then.
We have also re-arranged the kitchen. The cooker was originally
installed where the gas connection was and later moved to an outside
wall so that a hood could be fitted. This meant moving the fridge,
covering a lightswitch. In this case we struggled on for a while as we
were due to redecorate the kitchen and then moved the switch and
reversed the door opening.
It's not just a simple redec, is it? You have to channel out the wall,
with all the mess that entails. Then replaster that bit, *assuming* the
rest of the plaster stays up. Big if! Then strip and reline as
necessary. The redecs after that are the smallest bit.
On Wednesday 06 March 2013 09:33 GB wrote in uk.d-i-y:
I'm not totally convinced of the reliability and battery related hassle over
"proper" fixed wiring. However, I'm giving it serious thought for outside
lights - driveway and garden and maybe pond. Then those become a simple
radial circuit for power (which is enough digging as it is) with some radio
switches indoors. Good candidate for a pocket remote and one in the car too.
The battery hassle there is limited to probably a couple of banks (front and
rear doorways) and if it goes wrong, your toilet for example is not blacked
Tim Watts Personal Blog: http://squiddy.blog.dionic.net/
http://www.sensorly.com/ Crowd mapping of 2G/3G/4G mobile signal coverage
I looked at the MK Echo version last year when thinking about some
wireless controls and decided that whilst it would probably be the
best option in the longer term I would like to try out something less
expensive to start with.
I went for some LightwaveRF kit, a couple of in-line relays to site in
the loft and a small hand held remote controller and a wall switch in
the living area.
The current arrangement controls a set of halogen LV downlights so
that all of them or a single light is on. Relatively simple to setup
and in use since December last year with no problems as yet.
Now thinking of some more applications including some more lighting
and programmed TRVs in a couple of rooms.
I'm extrapolating from our wireless bell push, which has lasted on its
original battery for around 10 years. That gets pushed on average 3 or 4
times a day, I guess. Our kitchen light switch probably gets toggled 10
times as often, but most others in the house probably the same as the
door bell. So, I'm not sure the battery hassle really would be, IYSWIM.
Years of experience of wireless links of all types says you only use them
where a cable option isn't practical.
It's also a vast number of batteries to need regular replacement in the
I also doubt it can do two way and multi-way switching for halls, etc.
*Ham and Eggs: Just a day's work for a chicken, but a lifetime commitment
Dave Plowman firstname.lastname@example.org London SW
On Wed, 06 Mar 2013 10:30:08 +0000 (GMT), "Dave Plowman (News)"
I have a "Celect" wireless C.H programmer and on a couple of occasions
the final "stop calling for heat" event of the day has not been
and the heating as stayed on all night.
You would think that it would repeat the command at intervals but it
doesn't seem to.
The biggest joke are wireless PIR sensors for a burglar alarm.
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