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See what happens when you install an incandescent lamp on a PSMH ballast

See what happens when you install an incandescent lamp on a PSMH ballast

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Take a close look at this GE Reveal B-13 fan/decor bulb. The fixture is a 70w metal halide. I believe the bulb worked until it burnt out, then the ignitor created an arc in the gas filled bulb atmosphere. Since the ballast limited the current, the arc continued to light, eventually melting the filament leads until they burned into the stem and caused it to melt! Man the maintenance guys who maintain the lights are dumb, these are 70w MH lights but ALL have the wrong lamps. The others have 100w-150w MH lamps on 70w ballasts.

image~360.jpg image~17.jpg 2012-10-27_14-37-46_648.jpg 2011-06-28_20-40-39_435.jpg

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Filename:2012-10-27_14-37-46_648.jpg
Album name:silverliner / not so pleasant sights
Keywords:Lamps
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Date added:Oct 28, 2012
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Ash
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Oct 28, 2012 at 03:20 PM Author: Ash
Its shape is similar, should work
WillTaus
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Oct 28, 2012 at 03:20 PM Author: WillTaus
Would they like some Epic with that fail...

Bring back Fluorescent and SOX Streetlights. Keep magnetic ballasts.


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Al_M
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GEC Z9464 90w SOX/LPS


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Oct 28, 2012 at 03:37 PM Author: Al_M
There's a walkway bridge I go over every day in Brisbane (the Goodwill Bridge) that has a few dozen 70w MH (double ended) floodlights along it. The latest relamp resulted in around eight of them being fitted with linear halogen lamps. They work but are dimmer than they should be due to the ballast. Would be interesting to see the light show if the lamps fail and the ignitors kick in. Idiots who can't tell the difference between a metal halide lamp and a halogen shouldn't be allowed anywhere near electricity. I will get a pic some time.

Traffic signals & street lighting engineer. Please bring SOX/LPS back Downunder!!

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Oct 28, 2012 at 04:10 PM Author: WillTaus
it makes you wonder how that can happen, who trained these stooges

Bring back Fluorescent and SOX Streetlights. Keep magnetic ballasts.


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rjluna2
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Oct 28, 2012 at 04:58 PM Author: rjluna2
I guess the ghost of the Three Stooges would somersault on mislamping this bulb in HID fixture

Pretty, please no more Chinese failure.

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USA (120V 60HZ)


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Oct 28, 2012 at 05:35 PM Author: Alights
They tend to be really bright with the 250 OCV of a MH ballast
ace100w120v
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Oct 28, 2012 at 06:18 PM Author: ace100w120v
Unless you used a 240v bulb...but I'm guessing this is a 120v bulb...
Don't ask why but I'm tempted to try this someday...
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Oct 28, 2012 at 07:15 PM Author: jercar954
Chinese Watt-Miser Lol!

Preheat and T-12 fluorescents forever! Down with LED's and instant start T-8 fluorescents.

ace100w120v
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Oct 28, 2012 at 08:08 PM Author: ace100w120v
Because it doesn't use as much power now (ballast wasting a few watts but dead lamp)?
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Oct 28, 2012 at 08:56 PM Author: Silverliner
I used to perform experiments running incandescent bulbs on mercury ballasts. They indeed get very bright and fail within a few minutes, sometimes the result is like the above, even without the ignitor. The ones that tend to fail like the above are Chinese dollar store bulbs with single coil filaments.

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ace100w120v
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Oct 28, 2012 at 09:00 PM Author: ace100w120v
Just on a 1000w ballast or lower wattage ones? That makes sense since the OCV on a MV ballast is 240v right? You should make a video of frying bulbs like that someday
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Oct 28, 2012 at 09:03 PM Author: Silverliner
I found the best one is a 250w MV ballast. Larger ballasts tend to cause bulbs to fail instantenously.

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ace100w120v
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Oct 28, 2012 at 09:05 PM Author: ace100w120v
Hmmm wonder what would happen if somebody stuck a CFL in there...fire like usual?
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Oct 28, 2012 at 09:07 PM Author: Silverliner
Yep, excess voltage can cause CFLs to catch fire. I have done this on a 1000w MV ballast but I think it can happen even with 175w and 250w ballasts.

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ace100w120v
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Oct 28, 2012 at 09:40 PM Author: ace100w120v
What about even lower wattage ones?
Yep, seems like CFLs tend to catch fire anyway, although admittedly I use them (GE Helical 13w ones for the most part).
Did you know that the 10w and under ones don't have this problem apparently since they don't have the (evidently problematic) voltage doubler in their electronic ballasts?
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Oct 28, 2012 at 11:25 PM Author: dor123
There is a chance, that most CFLs that installed in 80W and 125W mercury globe lanterns in Israel, operates directly from the lanterns MV ballasts.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

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Oct 29, 2012 at 02:00 AM Author: mima
And these public utility folks are payed with our taxes...

Someone should fire them, if an electrician cannot distingish between a metal halide lamp and an halogen/incandescent lamp doesn't deserve to be called electrician.

Gimme a discharge lamp and a humming ballast Grin

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Oct 29, 2012 at 02:18 AM Author: Prismatic
LOL. It looks a bit purple now

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http://www.youtube.com/slprismatic

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Oct 29, 2012 at 02:41 AM Author: Silverliner
@Prismatic it is purple because it is a GE Reveal lamp, the Reveal line uses neodymium glass.

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Oct 29, 2012 at 02:53 AM Author: Prismatic
I see. Learned something new.

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Oct 29, 2012 at 08:16 AM Author: chrislights
d'oh!

Very funny about 3 stooges replace light bulbs

Say NO to ban at Incandescent light bulbs!

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Oct 29, 2012 at 10:35 AM Author: Ash
ace100w120v : "Hmmm wonder what would happen if somebody stuck a CFL in there...fire like usual?"

This http://answers.yahoo.com/question/index?qid=20071019161430AAXcutJ
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Nov 06, 2012 at 03:04 AM Author: yuandrew
A buddy of mine in Moorpark who collected old air raid sirens had a 23 watt Lights of America CFL burn up and on my last visit, I asked what type of fixture it was in and found out it had been put in a 100 watt Mercury Vapor fixture in his barn by accident.

http://img.photobucket.com/albums/v499/yuandrew/CPF/IMG_2469.jpg
http://img.photobucket.com/albums/v499/yuandrew/CPF/IMG_2470.jpg

http://i104.photobucket.com/albums/m174/kx250racer/BurntBulb3.jpg
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Feb 04, 2013 at 11:42 AM Author: Lumalux
When I was kid in the early '70s, I used to love going to the Sears lighting and electrical department. (For those too young to know, it was a VERY cool place for a kid with some spending money. You were lucky if your local shopping mall had both a Sears and a Montgomery Ward.) They had a 175w mercury vapor Nema fixture on display but without the bulb. So I took a mogul base 3-way soft white bulb and screwed it in and it lit up. I thought "Cool." but I had no insight into how the ballast could create an arc in an incadenscent lamp. The ballast would have been magnetic back then. Would that make a difference? I don't know what ever happened to that bulb. I think the next time I was there the bulb was out but that was 40 years ago.
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Feb 04, 2013 at 12:21 PM Author: rjluna2
You are not the only person who looked at the lighting aisle when you are young. I did looked at the lighting aisle when I was a kid back in the the 1970's as well

Pretty, please no more Chinese failure.

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Feb 04, 2013 at 12:27 PM Author: Lumalux
Yeah. You and I are old farts!
rjluna2
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Feb 04, 2013 at 12:33 PM Author: rjluna2

Pretty, please no more Chinese failure.

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Feb 04, 2013 at 11:41 PM Author: Silverliner
oh yeah I prowled the bulb aisles when I was a kid also! ahhh the days long before white LEDs. by the way, as long as the filament is intact it will continue to operate normally on a ballast until it fails, then it may start arcing until vacuum is lost. not always though, sometimes they just burn out.

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