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[email protected] March 18th 10 03:04 PM

Light switch Neon
 
I have just wired a couple of lamps in my loft over the garage. I have
taken the power from from a redundant power plug on the ceiling that
was put there for an electric garage door. I used a switch ( Marbo 20A
DP ) with a neon in the hope that this would glow when the loft lights
were on. it doesn't. The switch is located next to the power plug..

From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


Parts

Mike Barnes March 18th 10 03:57 PM

Light switch Neon
 
:
I have just wired a couple of lamps in my loft over the garage. I have
taken the power from from a redundant power plug on the ceiling that
was put there for an electric garage door. I used a switch ( Marbo 20A
DP ) with a neon in the hope that this would glow when the loft lights
were on. it doesn't. The switch is located next to the power plug..

From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


Yes. In fact that seems to me to be the obvious and easiest way to wire
it up and I can't see why you've done it differently, or how proximity
is relevant, unless I'm missing something.

--
Mike Barnes

Peter Andrews March 18th 10 05:12 PM

Light switch Neon
 

wrote in message
...
I have just wired a couple of lamps in my loft over the garage. I have
taken the power from from a redundant power plug on the ceiling that
was put there for an electric garage door. I used a switch ( Marbo 20A
DP ) with a neon in the hope that this would glow when the loft lights
were on. it doesn't. The switch is located next to the power plug..

From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


Parts


I would guess that despite you using a DP switch you have only used one
pole, the reason that the neon is not glowing is that it is wired between
the L and N on the switched side and you are probably lacking the neutral.

Peter



Harry Bloomfield[_3_] March 18th 10 05:51 PM

Light switch Neon
 
expressed precisely :
From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


If I understand you correctly - yes. If you wire both L and N through
the switch and wire them at the correct ends of the switch, it should
light up when on.

--
Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk



F Murtz March 19th 10 03:45 AM

Light switch Neon
 
wrote:
I have just wired a couple of lamps in my loft over the garage. I have
taken the power from from a redundant power plug on the ceiling that
was put there for an electric garage door. I used a switch ( Marbo 20A
DP ) with a neon in the hope that this would glow when the loft lights
were on. it doesn't. The switch is located next to the power plug..

From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


Parts

What you can do with a neon is connect it across the switch and it would
glow when switch is off making it easy to find in the dark.

John March 19th 10 08:43 AM

Light switch Neon
 

"F Murtz" wrote in message
...
wrote:
I have just wired a couple of lamps in my loft over the garage. I have
taken the power from from a redundant power plug on the ceiling that
was put there for an electric garage door. I used a switch ( Marbo 20A
DP ) with a neon in the hope that this would glow when the loft lights
were on. it doesn't. The switch is located next to the power plug..

From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


Parts

What you can do with a neon is connect it across the switch and it would
glow when switch is off making it easy to find in the dark.


If you want a neon to glow when the light is OFF and you are using an
incandescent bulb - just bridge the 2 contacts of a normal single pole
switch.



John March 19th 10 09:16 AM

Light switch Neon
 

"John" wrote in message
...

"F Murtz" wrote in message
...
wrote:
I have just wired a couple of lamps in my loft over the garage. I have
taken the power from from a redundant power plug on the ceiling that
was put there for an electric garage door. I used a switch ( Marbo 20A
DP ) with a neon in the hope that this would glow when the loft lights
were on. it doesn't. The switch is located next to the power plug..

From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


Parts

What you can do with a neon is connect it across the switch and it would
glow when switch is off making it easy to find in the dark.


If you want a neon to glow when the light is OFF and you are using an
incandescent bulb - just bridge the 2 contacts of a normal single pole
switch.


Sorry - already said - and I meant to say bridge the contacts with the neon.
You used to be able to buy surround plates that fitted behind the switch and
incorporated a neon or an electroluminescent panel. I bet they are still
around.
Need to use a conventional bulb in the main light ideally to allow the neon
to 'get its neutral return path'



John March 19th 10 09:19 AM

Light switch Neon
 

"John" wrote in message
...

"F Murtz" wrote in message
...
wrote:
I have just wired a couple of lamps in my loft over the garage. I have
taken the power from from a redundant power plug on the ceiling that
was put there for an electric garage door. I used a switch ( Marbo 20A
DP ) with a neon in the hope that this would glow when the loft lights
were on. it doesn't. The switch is located next to the power plug..

From reading I gather that neons dont glow in a single wire circuit ,
given the proximity of the power source would it possible to pass both
sides of the circuit through the two paths of the switch to achieve
a glowing neon.


Parts

What you can do with a neon is connect it across the switch and it would
glow when switch is off making it easy to find in the dark.


If you want a neon to glow when the light is OFF and you are using an
incandescent bulb - just bridge the 2 contacts of a normal single pole
switch.



Someone is capitalising on the idea:

http://www.litswitch.com/about/



Vass[_9_] March 24th 10 07:37 PM

Light switch Neon
 


"John" wrote in message
...



Someone is capitalising on the idea:

http://www.litswitch.com/about/

ooh I do like those..
--
Vass


[email protected] March 24th 10 08:46 PM

Light switch Neon
 

You used to be able to buy surround plates that fitted behind the switch and
incorporated a neon or an electroluminescent panel.


Standard MK part:

http://www.tlc-direct.co.uk/Products/MKK3041.html

IIRC, other manufacturers too.


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