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Nuking a 12V automotive bulb with 1000W HPS ballast

Nuking a 12V automotive bulb with 1000W HPS ballast


i am enjoying this lol the bulbs are already EOL... i just finish them off... they flash from aqua to gree to orange then some pop

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Album name:HomeBrewLamps / VARIOUS
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Date added:Jul 27, 2017
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streetlight98
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Mike McCann


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Jul 27, 2017 at 08:58 PM Author: streetlight98
Absolutely love it. I used to do this with those mini Christmas lights. They're in series so they operate at like 3 or 4 volts a piece and I'd wire them up to 120V. Plug them in and they make a huge pop and blow immediately. I had one that make a direct short and tripped the breaker! Those mini lights have an internal shunt so when the filament blows out the current can still flow through the shunt so the rest of the series circuit doesn't extinguish. But that one bulb dead raises the voltage to the other bulbs, so on an xmas light set, the more bulbs that die the faster they'll start dying as the voltage to each lamp goes up.

Anyway, the way it works is the filament is at a lower resistance than the shunt so the current doesn't flow through the shunt until the filament breaks. But when you hook it up to 120 the whole thing goes bang with a blue-white spark pretty fast. Sounds like these things:

To resist is to piss in the wind, anyone who does will end up smelling.

HomeBrewLamps
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Jul 27, 2017 at 09:00 PM Author: HomeBrewLamps

Absolutely love it. I used to do this with those mini Christmas lights. They're in series so they operate at like 3 or 4 volts a piece and I'd wire them up to 120V. Plug them in and they make a huge pop and blow immediately. I had one that make a direct short and tripped the breaker! Those mini lights have an internal shunt so when the filament blows out the current can still flow through the shunt so the rest of the series circuit doesn't extinguish. But that one bulb dead raises the voltage to the other bulbs, so on an xmas light set, the more bulbs that die the faster they'll start dying as the voltage to each lamp goes up.

Anyway, the way it works is the filament is at a lower resistance than the shunt so the current doesn't flow through the shunt until the filament breaks. But when you hook it up to 120 the whole thing goes bang with a blue-white spark pretty fast. Sounds like these things:



lol i have like a whole bin full of those popits lmao

also thx

~Owen

Mercury Vapor LampHigh Pressure Sodium Scavenger, Urban Explorer, Lighting Enthusiast and Creator of homebrewlamps Cool High Pressure SodiumMercury Vapor Lamp

Fluorescent05
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Zack


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Dec 05, 2018 at 09:19 PM Author: Fluorescent05

Absolutely love it. I used to do this with those mini Christmas lights. They're in series so they operate at like 3 or 4 volts a piece and I'd wire them up to 120V. Plug them in and they make a huge pop and blow immediately. I had one that make a direct short and tripped the breaker! Those mini lights have an internal shunt so when the filament blows out the current can still flow through the shunt so the rest of the series circuit doesn't extinguish. But that one bulb dead raises the voltage to the other bulbs, so on an xmas light set, the more bulbs that die the faster they'll start dying as the voltage to each lamp goes up.

Anyway, the way it works is the filament is at a lower resistance than the shunt so the current doesn't flow through the shunt until the filament breaks. But when you hook it up to 120 the whole thing goes bang with a blue-white spark pretty fast. Sounds like these things:


I once did that to a small 6 volt incandescent bulb (that was luckily inside a clear plastic case) and it immediately blew up and left a burn mark on the case. Also, some Christmas light sets have these "non-replaceable" lamps at the front and back of each set. These are called fuse lamps and have no internal shunt. They are there to prevent every bulb from burning out and all of them internally shunting and creating a short circuit.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Dec 08, 2018 at 02:30 AM Author: HomeBrewLamps
I kinda want to create a set full of shunted bulbs so I can watch it go poof

~Owen

Mercury Vapor LampHigh Pressure Sodium Scavenger, Urban Explorer, Lighting Enthusiast and Creator of homebrewlamps Cool High Pressure SodiumMercury Vapor Lamp

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Dec 08, 2018 at 06:03 AM Author: Fluorescent05

I kinda want to create a set full of shunted bulbs so I can watch it go poof

Make sure you post it here for everyone to see it go poof.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

streetlight98
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Mike McCann


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Dec 08, 2018 at 10:00 AM Author: streetlight98
All the sets I've seen do use all shunted bulbs and have a pair of fuses in the male plug.

To resist is to piss in the wind, anyone who does will end up smelling.

Fluorescent05
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Dec 08, 2018 at 09:31 PM Author: Fluorescent05

All the sets I've seen do use all shunted bulbs and have a pair of fuses in the male plug.

The sets with fuse lamps also have fuses in the male plug but the lamps at the beginning and end (with that little white ring around them) have no shunt.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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May 09, 2019 at 10:40 PM Author: ace100w120v
I've always wanted to try a dead incandescent on even the 1000 OCV of an electronic F32T8 ballast...
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May 10, 2019 at 10:53 AM Author: HomeBrewLamps

I've always wanted to try a dead incandescent on even the 1000 OCV of an electronic F32T8 ballast...

Do it!

~Owen

Mercury Vapor LampHigh Pressure Sodium Scavenger, Urban Explorer, Lighting Enthusiast and Creator of homebrewlamps Cool High Pressure SodiumMercury Vapor Lamp

ace100w120v
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May 10, 2019 at 10:21 PM Author: ace100w120v
Another fun one is the incandescent-bulb-in-the-microwave...
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