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Mislabeled 175w ballast in 100w yard light

Mislabeled 175w ballast in 100w yard light

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That's right, after doing some testing I found that this is a 175w ballast that has been mislabeled and put in a 100w fixture. Kill a watt measures 162w. Its a cheap Regent 100w bucket ive had sitting in storage for years, I finally decided to put it into use on my back patio. I knew something wasn't right when the lamp kept warming up past the full brightness a typical 100w should be

20160128_224836.jpg 20160128_093344.jpg Regentballast.png fulham5.png

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Manufacturer:Regent

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Filename:Regentballast.png
Album name:BlueHalide / New album
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Keywords:Lamps
File Size:640 KB
Date added:Jan 24, 2016
Dimensions:944 x 531 pixels
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BlueHalide
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Jan 24, 2016 at 07:05 PM Author: BlueHalide
Just goes to show you how cheap and careless these Chinese made area lights were, makes me wonder just how many were sold with 175w ballasts like this one
Solanaceae
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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Jan 24, 2016 at 07:07 PM Author: Solanaceae
Oh that's nasty. The 162 may be because it only had a 100w lamp on it at the time. If it read that and had a proper lamp, then the ballest is underpowering the bulb.

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BlueHalide
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Jan 24, 2016 at 07:43 PM Author: BlueHalide
Just removed this ballast and connected it up to a 175w lamp, and got 166w. But these cheap mercury buckets (Regent/Lithona/Brinks) are notorious for ballasts that significantly underdrive the lamps. I once had a Brinks 175w area light that only ran the lamp at 140w. Also note how the wiring diagram on this ballast looks like something I would've drawn in kindergarten
ace100w120v
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Jan 24, 2016 at 08:33 PM Author: ace100w120v
This is nothing short of hilarious! Just...wow!
streetlight98
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Mike McCann


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Jan 25, 2016 at 02:30 PM Author: streetlight98
Hmm I'd say it's more appropriate to consider this a mislabeled 125W MV ballast then? A 175W MV ballast should draw about 200W or more.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

ramdude2014
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Jan 27, 2016 at 07:27 AM Author: ramdude2014
I have the same ballast but marked for a 175... Thing gets HOT HOT HOT!

Next stop gate T17!

ace100w120v
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Jan 27, 2016 at 11:23 AM Author: ace100w120v
This explains the "175w"-but-really 125w lamps...
BlueHalide
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Jan 27, 2016 at 12:40 PM Author: BlueHalide
125w MV doesn't exist here in the US, its 100w followed by 175w. I imagine 125w is very electrically similar to our 100w size, but this is definitely a mislabeled ballast. The ballasts in the fixtures sold as 175w underdrive the lamps, every single cheap residential grade 175w mercury fixture ive had only consumes around 140w-160w, just like the mislabeled ballast above. The actual 100w fixtures consume about 90w, so the 100w lamps are really only getting 75-80w. I can only assume that the low wattage operation, sloppy construction, and very high temperature these undersized ballasts run at shows cheapest possible manufacturing, while taking advantage of the fact that mercury lamps aren't nearly as sensitive as MH or HPS in drive current and voltage
ace100w120v
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Jan 27, 2016 at 08:56 PM Author: ace100w120v
Yeah, quite true! When I say 125w I mean the 175w lamps that have 125w-similar arc tubes...the cheap ones.
BlueHalide
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Jan 27, 2016 at 09:42 PM Author: BlueHalide
Oh I see
ace100w120v
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Jan 27, 2016 at 09:56 PM Author: ace100w120v
You know, THOSE things...
LandryB
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Feb 06, 2016 at 05:28 PM Author: LandryB
The windings look sloppy also. The wire looks thin.
BlueHalide
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Feb 07, 2016 at 11:40 PM Author: BlueHalide
These ballasts are also unworkable/disposable, they are designed to be installed in the one fixture forever, and only removed upon failure. Anybody who has tried to remove one of these and reinstall it in another fixture knows exactly what I mean, bending those leads back and forth only twice causes them to snap. These things definitely fall into my "designed for the dump" phrase which ive been using a lot lately with todays cheap LED crap.
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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Feb 07, 2016 at 11:46 PM Author: Solanaceae
I've seen those regent ones that are labeled h38 for the ansi spec code but are printed as 100/125w. Also, the brinks mv lamps can run on a 100w American electric HPS NEMA. Any idea who makes them? I've also tried installing blaster ballasts into NEMA heads, but the bracket and ballasts are awkward size and shaped.

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don93s
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Feb 08, 2016 at 12:01 AM Author: don93s
I actually have an old NEMA AE/ITT ballast with two lamp taps. Before the labels/paper fell off, one said 175w and the other 140w. The 140w one has a higher OCV so I'm thinking more windings causes higher impedance and lower lamp current.
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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Feb 08, 2016 at 06:45 AM Author: Solanaceae
Would a MH lamp run off that tap?

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BlueHalide
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Feb 08, 2016 at 11:45 PM Author: BlueHalide
These "blaster ballasts" are much smaller than standard MV ballasts you'd find in a quality NEMA head, like Universal, Advance, and Magnetek. So getting these to fit in anything that is built around the standard core/coil size is difficult. Regent/Brinks switched lamp manufacturers again, but unfortunately quality hasn't changed. The medium base 100/125w lamps with the big envelope used to be made by some Shenzhen Electric Appliance Co. (which could be any of a dozen or so companies under that name), but now are made by the same manufacturer who made the pre-2005 Chinese Westinghouse lamps, I recognized the etch right away. Still with the terribly weak phosphor that acts only as a diffuser after a few hundred hours. Brink's 175w mercury lamps are also no longer made by Caster, I noticed this when opening a box at Walmart the other day, completely different lamp make, and im not sure which manufacturer, but the average life on the box now states 8000 hours
Its also worth mentioning Regent was bought out by Eaton, which recently rebranded all Regent products under ALL-PRO, hense also the reason for the change in lamp suppliers
streetlight98
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Feb 09, 2016 at 07:43 AM Author: streetlight98
Yeah Eaton bought out Cooper Industries in general back in 2011 or 2012. They changed the glass for their OVZ and OVX around that time too. The newer glass looks nice on the OVZ but looks a little odd on the OVX. The glass is rounder like their plastic lenses, which I think have not changed.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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