70HPS
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Or will it be overdriven on a 42w ballast?
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I like HID, CFLs and incandescents
Favorite indoor light source: PL Fluorescent (Preferably preheat, maybe rapid start, maybe instant start but instant start is boring) Favorite outdoor light source: High Pressure Sodium (MV maybe, but HPS is relaxing)
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RyanF40T12
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So the 42 watt ballast isn't multi-rated? Most of the PL ballasts I deal with are rated to handle 26, 32, and 42 watts, but a few will only handle 32W max. I've got a few buildings that have older magnetic ballasts that were rated only for specific wattage.
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The more you hate the LED movement, the stronger it becomes.
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70HPS
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It's a 42 watt electronic instant start ballast
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I like HID, CFLs and incandescents
Favorite indoor light source: PL Fluorescent (Preferably preheat, maybe rapid start, maybe instant start but instant start is boring) Favorite outdoor light source: High Pressure Sodium (MV maybe, but HPS is relaxing)
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70HPS
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I'm afraid I might blow up the 26 watt/32 watt bulb lol, yes i have a 26 watt cfl
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I like HID, CFLs and incandescents
Favorite indoor light source: PL Fluorescent (Preferably preheat, maybe rapid start, maybe instant start but instant start is boring) Favorite outdoor light source: High Pressure Sodium (MV maybe, but HPS is relaxing)
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Medved
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The main ballasting function has no reason to not work. However the different lamp arc drop may interfere with either EOL protection features (when the lamp behaves differently than it is supposed to, the ballast may "think" it is failing and so shut it down; mainly happens when using higher arc voltage lamp), or starting (the ballast output voltage during preheating phase may exceed the maximum allowed for the 32W so it may cold start), affecting lamp life.
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No more selfballasted c***
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70HPS
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I just tried a 26w PL on th 42 watt ballast, it works just fine... although it will probably shorten lamp life.
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I like HID, CFLs and incandescents
Favorite indoor light source: PL Fluorescent (Preferably preheat, maybe rapid start, maybe instant start but instant start is boring) Favorite outdoor light source: High Pressure Sodium (MV maybe, but HPS is relaxing)
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108CAM
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Diehard MV, HPS, SOX & Preheat Fluorescent Fanatic
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I have a 26w lamp running on a 32w ballast. It starts up fine but appears to be getting overdriven as it gets rather hot in a short amount of time.
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Fluro starter pings combined with a 50hz ballast hum and blinking tubes is music to my ears.
Rest in Peace Electronic Lamp Manufacturers of Australia 1925-2002
Bring back the AJF Zodiacs!
Total incidents since joining LG: 18 Lamps accidently broken or smashed: 15 Ballast explosions/burnouts: 3
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dor123
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I've seen in Carmel hospital, what happening when you run 28W T5 on a 54W T5 HO ballast: The ends goes black fast and the electrodes glowing strong, and the life being shorted.
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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 international date format (dd.mm.yyyy).
I lives in Israel, which is a 220-240V, 50hz country.
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Medved
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But T5 vs T5HO are rated for way different current, so need different ballasts. The PL-L's are all the same 330mA, so if the ballast is able to maintain that over the varying arc voltage drops (usually not a problem at all), plus if its output voltage does not exceed the maximum preheat limit of the lowest wattage (so the discharge won't start at still cold electrodes) and still is able to reach the minimum ignition voltage of the highest wattage (to ignite it reliably; but usually not a problem, the ignition voltage ballasts commonly generate uses to exceed 1kV during the ignition burst, which uses to be enough for any fluorescent), that single ballast could operate all wattages where those conditions are met.
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No more selfballasted c***
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70HPS
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So I have an 18w (i know, bad idea) PL on a 42w PL ballast... will it be EOL faster?
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I like HID, CFLs and incandescents
Favorite indoor light source: PL Fluorescent (Preferably preheat, maybe rapid start, maybe instant start but instant start is boring) Favorite outdoor light source: High Pressure Sodium (MV maybe, but HPS is relaxing)
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WorldwideHIDCollectorUSA
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HID, LPS, and preheat fluorescents forever!!!!!!
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Are you talking about 18w 2G11 PL-L lamps or 18w G24Q2 PL-C lamps?
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.
DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.
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70HPS
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18w PL-C with the G24q-2 base.
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I like HID, CFLs and incandescents
Favorite indoor light source: PL Fluorescent (Preferably preheat, maybe rapid start, maybe instant start but instant start is boring) Favorite outdoor light source: High Pressure Sodium (MV maybe, but HPS is relaxing)
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WorldwideHIDCollectorUSA
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HID, LPS, and preheat fluorescents forever!!!!!!
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That lamp will suffer a reduced life on a 26w-42w PL-T electronic CFL ballast because 26w-42w PL-T CFL lamps run at a current of 0.33a while 18w G24Q2 PL-C CFL lamps run at a current of 0.22a.
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.
DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.
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70HPS
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I assumed that it would shorten lamp life. I won't run it often, since I'd use it only if I wanted a warmer 3000k over the 4100k of my other 26-42w PL's.
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I like HID, CFLs and incandescents
Favorite indoor light source: PL Fluorescent (Preferably preheat, maybe rapid start, maybe instant start but instant start is boring) Favorite outdoor light source: High Pressure Sodium (MV maybe, but HPS is relaxing)
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WorldwideHIDCollectorUSA
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HID, LPS, and preheat fluorescents forever!!!!!!
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In that case, an electronic ballast designed for these 18w G24Q2 PL-C CFL lamps would work pretty well or you could even use an 18w G24D2 2 pin PL-C magnetic preheat CFL HX autotransformer ballast in conjunction with an external FS4 starter to run them as well.
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Logged
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.
DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.
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