Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default Screw in flourescent light bulbs.

I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin

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Default Screw in flourescent light bulbs.


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic, typically
they start flickering or just go "phutt".


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Default Screw in flourescent light bulbs.

I agree. Same here. I saw the big sparks and smoke. I changed back to
incandescence. I would not use it even it is free.

"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


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Default Screw in flourescent light bulbs.


"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


The only one I ever saw do that was one I'd fitted bigger transistors in an
attempt to use it as an electronic ballast in a 6' strip light - it even
worked for a few days before blowing up.


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Default Screw in flourescent light bulbs.


"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 18:56:38 -0000, "ian field"
wrote:


"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in
my
bathroom, I never turn them off.Just now I was in my kitchen getting
me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


The only one I ever saw do that was one I'd fitted bigger transistors in
an
attempt to use it as an electronic ballast in a 6' strip light - it even
worked for a few days before blowing up.


I used to love to experiment like that.


MOSFETs work better but you have to increase the turns on the feedback
toroid dual secondaries to feed the higher VGSthr.




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Default Screw in flourescent light bulbs.

I think I'll stick to beds, the couch, the floor, hot tubs, etc.
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Default Screw in flourescent light bulbs.

Meat Plow writes:

On Mon, 1 Dec 2008 11:41:06 -0700, "learner"
wrote:

I agree. Same here. I saw the big sparks and smoke. I changed back to
incandescence. I would not use it even it is free.


Thing is the quality has improved dramatically over the past 6 years.
Especially with the push to outlaw incandescent.
However I still wont leave these on while unattended unless they are
outside as my security lighting consists of the latest 23 watt slim
socket design lamps branded Sylvania CF23EL/MINITWIST.
These tested pretty robust surviving outdoors completely enclosed
in a globe as porch lights and in a security light fixture designed
for incandescent floods out in the rain and now snow. That fixture is
a motion detector but it was frequently placed in the manual on mode
as I was having some minor problems with juveniles trespassing and
wanting to use our trampoline.


"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


I've had one outside for a couple years now. It's only semi-protected
from direct rain, but not enclosed. Temperatures from 0F to 100F over
the seasons. Controlled by a timer, on about 6 hours a day.

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Default Screw in flourescent light bulbs.

"ian field" writes:

wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic, typically
they start flickering or just go "phutt".


If the lamp is secure in the socker and no serious brownouts, suspect
bad solder conncetions on its PCB. Eventually, it will just go out
completely. 50:50 it will blow one or both transistors, else resoldering
will probably fix it.

--
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Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
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Default Screw in flourescent light bulbs.

Meat Plow wrote:
On Mon, 1 Dec 2008 18:56:38 -0000, "ian field"
wrote:

"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:

wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin

Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".

Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.

The only one I ever saw do that was one I'd fitted bigger transistors in an
attempt to use it as an electronic ballast in a 6' strip light - it even
worked for a few days before blowing up.


I used to love to experiment like that.


Some times it just "feels so good" to let the smoke out.

A few months ago, our shop was shipped some incorrect Bosch automotive
relays we use to honk the horn from the LMR radio (crew page).

The problem was that these had an internal "back EMF" snubber diode
across the coil. That would be no problem if plugged into a prewired
socket, but we wire them manually with spade lugs and often in poor
light where you couldn't see the diode polarity-to-lug markings on the
schematic molded into the black plastic . Get the coil wires
backwards... blow the switch transistors in the radio!

The fast fix was to hook up a 20A bench supply to the relay coil
terminals so the diode was forward biased and watch the current jump to
20amps for a second as the diode blew out... no longer a problem. Only
bad part was the smoke couldn't get out as the relay is sealed.


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Default Screw in flourescent light bulbs.

I think I'll stick to beds, the couch, the floor, hot tubs, etc.

I was trying to think of how to make that joke, but you beat me to it.




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Default Screw in flourescent light bulbs.

Meat Plow wrote:

"ian field" wrote:

"Meat Plow" wrote:

Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


The only one I ever saw do that was one I'd fitted bigger transistors in an
attempt to use it as an electronic ballast in a 6' strip light - it even
worked for a few days before blowing up.

I used to love to experiment like that.


I converted an inspection lamp that uses an 8 watt 11" T5 tube with a
resistive ballast in the cord to electronic ballast using a new 9 watt
'off brand' CFL board. Works a treat and has seen a lot of use over the
last three years. Fitting it in required some very creative board
trimming and taking the resevoir cap and series cap between the
filaments off board.

The left over brand new CFL tube went into a good brand CFL that had
become seriously blackened at the ends and gave me a couple of years
more life from that.
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Default Screw in flourescent light bulbs.

learner wrote:
I agree. Same here. I saw the big sparks and smoke. I changed back to
incandescence. I would not use it even it is free.

"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one
in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


Your lucky in Australia they are in the process of banning incandescent
lamps we wont be able to buy them
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Default Screw in flourescent light bulbs.

On Mon, 1 Dec 2008 11:01:28 -0600, wrote:

I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?


I have been playing with the circuits for a while and IMHO there is a
possibility of a dead short when bad spikes occur in the supply.

http://www.pavouk.org/hw/lamp/en_index.html

There are two MJE13003 connected across the supply and I suppose they
are to only alternatively. By any chance if they conduct at the same
time even for an instant you had it.

All the circuits I built had short lives when I connected to bad
supplies.

My 2 cents

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Thanks for your time

Ardent
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Default Screw in flourescent light bulbs.

In article , Meat Plow wrote:
On Wed, 03 Dec 2008 14:27:01 +1100, F Murtz
wrote:

learner wrote:
I agree. Same here. I saw the big sparks and smoke. I changed back to
incandescence. I would not use it even it is free.

"Meat Plow" wrote in message
...
On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one
in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.

Your lucky in Australia they are in the process of banning incandescent
lamps we wont be able to buy them


There will come a day in the USA when you will not be able to purchase
incandescent lamps. I think it's already in law.



There is a need for instant on lamps for safety.

It can take a few minutes for my outside lamps to come on, and I'll
miss the burgular. I'm switching on 6 CFL's for my porches and driveway.


greg
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There is a need for instant on lamps for safety.

They exist. I've had them in my condo for some time. They come on
instantly -- faster than an incandescent -- at roughly half brightness. It
takes another 30 to 60 seconds to reach full brightness.




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Default Screw in flourescent light bulbs.

F Murtz wrote:
Your lucky in Australia they are in the process of banning incandescent
lamps we wont be able to buy them


IIRC, 2012 in the USA. I plan to have a stock large enough to last me
by that point (I am already using CFLs everywhere that they make
sense). Maybe I'll stock some extras for friends. Just knock 3 times
and say "Edison sent me".

Dave
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"Meat Plow" wrote in message
...
On Wed, 03 Dec 2008 23:28:51 -0600, Dave Garland
wrote:

F Murtz wrote:
Your lucky in Australia they are in the process of banning incandescent
lamps we wont be able to buy them


IIRC, 2012 in the USA. I plan to have a stock large enough to last me
by that point (I am already using CFLs everywhere that they make
sense). Maybe I'll stock some extras for friends. Just knock 3 times
and say "Edison sent me".

Dave


Didn't Nostradamus predict the end of the earth in the year 2012 in
his Quatrain 63, Century 7?


Great - we can make it an Olympic event.


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On Mon, 01 Dec 2008 18:32:50 -0000, Meat Plow wrote:

On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic, typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


But incandescents are hotter, and more likely to set fire to other things. Like the light socket.

--
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"Peter Hucker" wrote in message
news
On Mon, 01 Dec 2008 18:32:50 -0000, Meat Plow wrote:

On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


But incandescents are hotter, and more likely to set fire to other things.
Like the light socket.


This from someone who claims to have a physics degree! (although he did
admit on another group to cheating on the exam).


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Default Screw in flourescent light bulbs.


ian field wrote:

"Peter Hucker" wrote in message
news
On Mon, 01 Dec 2008 18:32:50 -0000, Meat Plow wrote:

On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.


But incandescents are hotter, and more likely to set fire to other things.
Like the light socket.


This from someone who claims to have a physics degree! (although he did
admit on another group to cheating on the exam).



No wonder they used to call laxatives "Physics".


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On Tue, 09 Dec 2008 18:49:51 -0000, Michael A. Terrell wrote:


ian field wrote:

"Peter Hucker" wrote in message
news
On Mon, 01 Dec 2008 18:32:50 -0000, Meat Plow wrote:

On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.

But incandescents are hotter, and more likely to set fire to other things.
Like the light socket.


This from someone who claims to have a physics degree! (although he did
admit on another group to cheating on the exam).



No wonder they used to call laxatives "Physics".


What part of heat and fire can't you correlate?


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"Sir, your daughter says she loves me, she can't live without me, and wants to marry me."
"And you're asking my permission to marry her?"
"No, I'm asking you to make her leave me the hell alone!!"
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Peter Hucker wrote:

On Tue, 09 Dec 2008 18:49:51 -0000, Michael A. Terrell wrote:


ian field wrote:

"Peter Hucker" wrote in message
news On Mon, 01 Dec 2008 18:32:50 -0000, Meat Plow wrote:

On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.

But incandescents are hotter, and more likely to set fire to other things.
Like the light socket.


This from someone who claims to have a physics degree! (although he did
admit on another group to cheating on the exam).



No wonder they used to call laxatives "Physics".


What part of heat and fire can't you correlate?



What part of CFL lamps overheating and catching on fire goes right
over your head?


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Default Screw in flourescent light bulbs.

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell wrote:


Peter Hucker wrote:

On Tue, 09 Dec 2008 18:49:51 -0000, Michael A. Terrell wrote:


ian field wrote:

"Peter Hucker" wrote in message
news On Mon, 01 Dec 2008 18:32:50 -0000, Meat Plow wrote:

On Mon, 1 Dec 2008 17:53:16 -0000, "ian field"
wrote:


wrote in message
...
I only two of them in my house.One in my kitchen and the other one in my
bathroom, I never turn them off.Just now I was in my kitchen getting me
a ''cold one''.That flourscent light bulb blipped a couple of
times.What
does that suppose to mean?
cuhulin


Maybe a "brown-out" on the power line?

The one I leave on 24/7 usually conspires to fail when I'm out. Common
failure modes are the tube or the mains in reservoir electrolytic,
typically
they start flickering or just go "phutt".


Back in 2003 I saw a 13 watt Osram CFL end its life in bursts of
sparks and smoke through a hole melted in the side of the ballast
container. I called Sylvania/Osram and they offered a replacement free
of charge. I told them no thanks I prefer to not have my home burn
down if another one of these failed while I wasn't present to
disconnect its power source. That scared me away from CFLs for a long
time.

But incandescents are hotter, and more likely to set fire to other things.
Like the light socket.


This from someone who claims to have a physics degree! (although he did
admit on another group to cheating on the exam).


No wonder they used to call laxatives "Physics".


What part of heat and fire can't you correlate?



What part of CFL lamps overheating and catching on fire goes right
over your head?


It only happens extremely occasionally.

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After Christmas vacation, an elementary school teacher was asking her students how they celebrated Christmas.
When she got to Sammy, whose father ran a local toy store, she said, "Sammy, since you're Jewish, I guess your family didn't celebrate Christmas."
Sammy replied, "Oh yes, we did. We all held hands and danced around the cash register singing, 'What A Friend We Have In Jesus.'
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Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?


It only happens extremely occasionally.



A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL lamps.


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The first sign of insanity is denying that you're crazy.
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On Tue, 09 Dec 2008 19:49:11 -0000, Michael A. Terrell wrote:


Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?


It only happens extremely occasionally.



A hell of a lot more often than with incandescent lamps.


More often I've seen excessive heat from an incandescent making the fitting brittle, the danger not being fire directly, but the fitting collapsing later on.

A lot of incandescent fixtures are not designed for safe operation of CFL lamps.


Explain.

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Refueling.


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Default Screw in flourescent light bulbs.


"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?


It only happens extremely occasionally.



A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL lamps.


PHucker boasts of having rigged his house with cobbled together 12V lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.


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ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?

It only happens extremely occasionally.



A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL lamps.


PHucker boasts of having rigged his house with cobbled together 12V lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.



With any luck, it will burn to the ground form his shoddy work.


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There are two kinds of people on this earth:
The crazy, and the insane.
The first sign of insanity is denying that you're crazy.
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Default Screw in flourescent light bulbs.


Peter Hucker wrote:

On Tue, 09 Dec 2008 19:49:11 -0000, Michael A. Terrell wrote:


Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?

It only happens extremely occasionally.



A hell of a lot more often than with incandescent lamps.


More often I've seen excessive heat from an incandescent making the fitting brittle, the danger not being fire directly, but the fitting collapsing later on.

A lot of incandescent fixtures are not designed for safe operation of CFL lamps.


Explain.



You really don't know anything, do you? Some fixtures hold in the
heat. The incandescents & ceramic sockets can handle the heat, but the
thermoplastic in the CFLs melt, the electrolytics overheat and they
fail, or catch on fire.


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The first sign of insanity is denying that you're crazy.
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"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes
right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL lamps.


PHucker boasts of having rigged his house with cobbled together 12V
lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.



With any luck, it will burn to the ground form his shoddy work.

He has a number of parrots loose in the house - it wouldn't be fair on
them!


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Default Screw in flourescent light bulbs.


ian field wrote:

"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes
right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL lamps.


PHucker boasts of having rigged his house with cobbled together 12V
lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.



With any luck, it will burn to the ground from his shoddy work.

He has a number of parrots loose in the house - it wouldn't be fair on
them!



So, everything there is a birdbrain?


--
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aioe.org, Goggle Groups, and Web TV users must request to be white
listed, or I will not see your messages.

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your account: http://www.usenettools.net/ISP.htm


There are two kinds of people on this earth:
The crazy, and the insane.
The first sign of insanity is denying that you're crazy.


  #31   Report Post  
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Default Screw in flourescent light bulbs.

A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFLs.


It would be more-correct to say that the CFL is not appropriate for the
fixture.

Some CFLs, I believe, are marked as not being suitable for "upside-down"
installation, because in this position they'll overheat if there isn't
sufficient circulation.


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Default Screw in flourescent light bulbs.

In article , "Michael A. Terrell" wrote:

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:49:11 -0000, Michael A. Terrell

wrote:


Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell

wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps.


More often I've seen excessive heat from an incandescent making the fitting

brittle, the danger not being fire directly, but the fitting collapsing later
on.

A lot of incandescent fixtures are not designed for safe operation of CFL

lamps.

Explain.



You really don't know anything, do you? Some fixtures hold in the
heat. The incandescents & ceramic sockets can handle the heat, but the
thermoplastic in the CFLs melt, the electrolytics overheat and they
fail, or catch on fire.



When I first started using them about 17 years ago, I thought I had
a few light fixtures that were way too hot, and I worried about that.
By using CFL's I would be usinf less electricity and the fixtures were much cooler.
If it was an incandescent fixture in the first place, they automatically
hold a fire for a very short period and suffocate it usually. I would worry
more about CFL's NOT in fixtures, I have one CFL in the front yard 24/365
and it probably gets real hot in the summer day, but so far its going without
problems. Fully air sealed anyway.

greg
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"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes
right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL
lamps.


PHucker boasts of having rigged his house with cobbled together 12V
lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.


With any luck, it will burn to the ground from his shoddy work.

He has a number of parrots loose in the house - it wouldn't be fair on
them!



So, everything there is a birdbrain?


PHucker has a *very* high opinion of his own intelligence and a very low
opinion of everyone else's.


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Default Screw in flourescent light bulbs.


ian field wrote:

"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes
right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL
lamps.


PHucker boasts of having rigged his house with cobbled together 12V
lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.


With any luck, it will burn to the ground from his shoddy work.

He has a number of parrots loose in the house - it wouldn't be fair on
them!



So, everything there is a birdbrain?


PHucker has a *very* high opinion of his own intelligence and a very low
opinion of everyone else's.



So he's not a 'savant'?


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aioe.org, Goggle Groups, and Web TV users must request to be white
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your account: http://www.usenettools.net/ISP.htm


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The crazy, and the insane.
The first sign of insanity is denying that you're crazy.
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"GregS" wrote in message
...
In article , "Michael A.
Terrell" wrote:

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:49:11 -0000, Michael A. Terrell

wrote:


Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell

wrote:

What part of CFL lamps overheating and catching on fire goes
right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps.

More often I've seen excessive heat from an incandescent making the
fitting

brittle, the danger not being fire directly, but the fitting collapsing
later
on.

A lot of incandescent fixtures are not designed for safe operation of
CFL

lamps.

Explain.



You really don't know anything, do you? Some fixtures hold in the
heat. The incandescents & ceramic sockets can handle the heat, but the
thermoplastic in the CFLs melt, the electrolytics overheat and they
fail, or catch on fire.



When I first started using them about 17 years ago, I thought I had
a few light fixtures that were way too hot, and I worried about that.
By using CFL's I would be usinf less electricity and the fixtures were
much cooler.
If it was an incandescent fixture in the first place, they automatically
hold a fire for a very short period and suffocate it usually. I would
worry
more about CFL's NOT in fixtures, I have one CFL in the front yard 24/365
and it probably gets real hot in the summer day, but so far its going
without
problems. Fully air sealed anyway.

greg


PHucker was claiming that the heat from incandescent lamps can set fire to
the lampholder, I haven't heard of any such cases for a few decades. Its
been a long time since I've heard of cheap imported novelty light fittings
being set alight by the heat from a "bulb" either.

The last time I changed the hall light (to fit a CFL) the brass bayonet ring
fell out of the socket because the bakelite had become brittle with age and
heat - I leave the hall light on when I'm in except when I go to bed. There
was no evidence that it might be a fire risk.




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William Sommerwerck wrote:

A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFLs.


It would be more-correct to say that the CFL is not appropriate for the
fixture.



If you say so, but most of the fixture designs predate the
development of CFLs.


Some CFLs, I believe, are marked as not being suitable for "upside-down"
installation, because in this position they'll overheat if there isn't
sufficient circulation.



I have one here telling you: "Do not use this product near any
maritime safety equipment, critical navigation or communication
equipment operating between .45 - 30 MHz"


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The first sign of insanity is denying that you're crazy.
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On Tue, 09 Dec 2008 20:09:18 -0000, Michael A. Terrell wrote:


ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL lamps.


PHucker boasts of having rigged his house with cobbled together 12V lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.



With any luck, it will burn to the ground form his shoddy work.


LEDs running on 12 volts are far less likely to burn than commercial lighting.

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United Airlines Flight Attendant: "Ladies and Gentlemen, as you are all now painfully aware, our Captain has landed in Seattle. From all of us at United Airlines we'd like to thank you for flying with us today and please be very careful as you open the overhead bins as you may be killed by falling luggage that shifted during our so called "touch down."
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On Tue, 09 Dec 2008 20:17:29 -0000, Michael A. Terrell wrote:


ian field wrote:

"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes
right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL lamps.


PHucker boasts of having rigged his house with cobbled together 12V
lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.


With any luck, it will burn to the ground from his shoddy work.

He has a number of parrots loose in the house - it wouldn't be fair on
them!



So, everything there is a birdbrain?


Silly term "birdbrain" - most birds are more intelligent than a lot of people.


--
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Lawyers should never ask a Southern grandma a question if they aren't prepared for the answer.
In a trial, a Southern small-town prosecuting attorney called his first witness, a grand motherly, elderly woman to the stand.
He approached her and asked, "Mrs. Jones, do you know me?"
She responded, "Why, yes, I do know you, Mr. Williams.
I've known you since you were a young boy, and frankly, you've been a big disappointment to me.
You lie, you cheat on your wife, and you manipulate people and talk about them behind their backs.
You think you're a big shot when you haven't the brains to realize you never will amount to anything more than a two-bit paper pusher Yes, I know you."
The lawyer was stunned!
Not knowing what else to do, he pointed across the room and asked, "Mrs. Jones, do you know the defence attorney?"
She again replied, "Why, yes, I do. I've known Mr. Bradley since he was a youngster, too.
He's lazy, bigoted, and he has a drinking problem.
He can't build a normal relationship with anyone and his law practice is one of the worst in the entire state.
Not to mention he cheated on his wife with three different women.
One of them was your wife. Yes, I know him."
The defense attorney almost died.
The judge asked both counselors to approach the bench and, in a very quiet voice, said, "If either of you idiots asks her if she knows me, I'll send you to the electric chair."
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On Tue, 09 Dec 2008 21:30:25 -0000, Michael A. Terrell wrote:


ian field wrote:

"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

ian field wrote:

"Michael A. Terrell" wrote in message
m...

Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell
wrote:

What part of CFL lamps overheating and catching on fire goes
right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps. A lot of
incandescent fixtures are not designed for safe operation of CFL
lamps.


PHucker boasts of having rigged his house with cobbled together 12V
lighting
run from solar panels and scrounged end of life car batteries, he most
likely had some scares using LV halogens in unsuitable enclosures.


With any luck, it will burn to the ground from his shoddy work.

He has a number of parrots loose in the house - it wouldn't be fair on
them!


So, everything there is a birdbrain?


PHucker has a *very* high opinion of his own intelligence and a very low
opinion of everyone else's.



So he's not a 'savant'?


I have an honours degree.


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Amanpreet was at the county fair when he happened upon a fortune teller's tent. Thinking, "What the heck, it'll be good for a laugh or two," he dashed inside and sat down.
The fortune teller took his money, lowered the lights, and gazed into her crystal ball. "Ahhh," she said, "I see you are the father of two children!"
"Ha!" Lizard Pecker said, "That's what you think. I'm the father of THREE children."
The woman grinned and said, "That's what YOU think."
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On Tue, 09 Dec 2008 20:12:38 -0000, Michael A. Terrell wrote:


Peter Hucker wrote:

On Tue, 09 Dec 2008 19:49:11 -0000, Michael A. Terrell wrote:


Peter Hucker wrote:

On Tue, 09 Dec 2008 19:14:26 -0000, Michael A. Terrell wrote:

What part of CFL lamps overheating and catching on fire goes right
over your head?

It only happens extremely occasionally.


A hell of a lot more often than with incandescent lamps.


More often I've seen excessive heat from an incandescent making the fitting brittle, the danger not being fire directly, but the fitting collapsing later on.

A lot of incandescent fixtures are not designed for safe operation of CFL lamps.


Explain.



You really don't know anything, do you? Some fixtures hold in the
heat. The incandescents & ceramic sockets can handle the heat, but the
thermoplastic in the CFLs melt, the electrolytics overheat and they
fail, or catch on fire.


Considering the heat generation is 75% less with a CFL....


--
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