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Cooper/Crouse-Hinds 100W/H38 OVZ

Cooper/Crouse-Hinds 100W/H38 OVZ

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Cooper/Crouse-Hinds 100W/H38 OVZ.
Look what arrived in the mail on 04/30/19! A new old stock 100W, H38 mercury vapor OVZ! The minumum wattage used by the utilities here in the PNW was 175. This luminaire came from the east coast where using a 100W MV, was a lot more common.

OV-15_250W_120V.JPG 175W-H39-120-M250A2.JPG OVZ_100W_MV_MTB.JPG 175W-120V-113.JPG

Light Information

Light Information

Manufacturer:Cooper Industries
Model Reference:OVZ
Lamp
Lamp Type:Mercury Vapor
Fixture
Fixture Type:Cobra-Head
Ballast Type:H38
Socket Type:E39 (Mogul)
Photocell Type:Twist-Lock
Electrical
Wattage:100W (125 Input Watts)
Voltage:120/208/240/277V
Current:1.08/0.63/0.54/0.47A
Physical/Production
Factory Location:Mexico
Fabrication Date:5/02
Application/Use:Street & Security Lighting

File information

File information

Download: Download this File
Filename:OVZ_100W_MV_MTB.JPG
Album name:WestinghouseCeramalux / Cobra-Head Luminaires
Keywords:Lanterns
File Size:120 KB
Date added:May 01, 2019
Dimensions:864 x 648 pixels
Displayed:71 times
Date Time:2019:04:30 18:16:57
DateTime Original:2019:04:30 18:16:57
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Exposure Time:1/30 sec
FNumber:f 3.3
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Focal length:4.7 mm
ISO:160
Make:Panasonic
Model:DMC-TZ5
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Comments
wide-lite 1000
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May 01, 2019 at 03:15 PM Author: wide-lite 1000
cool ! I wonder if anything lower than 100w MV was ever used for street lighting ? I know they did with HPS (35,50,70)

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

WestinghouseCeramalux
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May 01, 2019 at 05:19 PM Author: WestinghouseCeramalux

cool ! I wonder if anything lower than 100w MV was ever used for street lighting ? I know they did with HPS (35,50,70)


Probably not, unless you mounted them 10' above the roadway, and only wanted to cast a faint shadow.

Your mission - should you choose to except it - is to save unique and rare HID lighting before it's all scrapped.

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May 01, 2019 at 05:28 PM Author: Lumex120
Did this come from that Ngrid surplus site? Also neat that it was made in 2002. It's only 3 months older than me.

Any machine is a smoke machine if you operate it wrong enough.

wide-lite 1000
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May 01, 2019 at 07:28 PM Author: wide-lite 1000

Probably not, unless you mounted them 10' above the roadway, and only wanted to cast a faint shadow.


Good point!

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

streetlight98
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Mike McCann


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May 01, 2019 at 08:02 PM Author: streetlight98
They didn't make cobraheads lower than 100w mv to my knowledge. 100w mv is plenty bright for a neighborhood or quiet road, but they need more frequent service than higher wattages. They dim faster and some brands (sylvania in particular) would die barely at the 24k hour mark. The GE ones would last forever but the light doesn't make it to the ground after 10 years lol.

The stuff on national grid's surplus site is mostly from their facilities in upstate new York. Ngrid never installed any mercury vapor lights here and only relamped 100w mvs and some 400w ones, though those were mid 2000s and back. 100w were relamped until about 2014.

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

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May 01, 2019 at 08:18 PM Author: Lumex120
If there were any made we probably will never know. 50 and 75w mercury vapor used to be fairly common in the 70's and 80's according to my knowledge but PL fluorescents ended up killing them off because they were much cheaper, more efficient, and had better CRI. Then again, since 35w HPS cobraheads were made (and can still be ordered) it would make sense that some had to have been made in 50 or 75w mercury vapor at one point.

Any machine is a smoke machine if you operate it wrong enough.

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Yes. Power distributor:CenterPoint Energy.120V60Hz


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May 01, 2019 at 09:24 PM Author: lightinglover8902
Nice fixture.

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May 01, 2019 at 09:50 PM Author: WestinghouseCeramalux

Did this come from that Ngrid surplus site? Also neat that it was made in 2002. It's only 3 months older than me.


Yes, this is the last one they had. The luminaire was priced well, but the $hipping was not!

Your mission - should you choose to except it - is to save unique and rare HID lighting before it's all scrapped.

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May 01, 2019 at 09:52 PM Author: WestinghouseCeramalux

They didn't make cobraheads lower than 100w mv to my knowledge. 100w mv is plenty bright for a neighborhood or quiet road, but they need more frequent service than higher wattages. They dim faster and some brands (sylvania in particular) would die barely at the 24k hour mark. The GE ones would last forever but the light doesn't make it to the ground after 10 years lol.

The stuff on national grid's surplus site is mostly from their facilities in upstate new York. Ngrid never installed any mercury vapor lights here and only relamped 100w mvs and some 400w ones, though those were mid 2000s and back. 100w were relamped until about 2014.


I have 8 Westinghouse H38JA-100/DX Lifeguard lamps for this fixture...I highly doubt I'll ever run out!

Your mission - should you choose to except it - is to save unique and rare HID lighting before it's all scrapped.

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May 01, 2019 at 10:00 PM Author: Lumex120

Yes, this is the last one they had. The luminaire was priced well, but the $hipping was not!

Aw dammit, I was going to buy one! They still have 100w mercury M250R2's though. How much was shipping? You are on the opposite side of the country from where it came from so it kind of makes sense that it would be expensive as frick.

Also, does this have a CWA or HX ballast?

Any machine is a smoke machine if you operate it wrong enough.

WestinghouseCeramalux
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May 02, 2019 at 07:11 AM Author: WestinghouseCeramalux

Aw dammit, I was going to buy one! They still have 100w mercury M250R2's though. How much was shipping? You are on the opposite side of the country from where it came from so it kind of makes sense that it would be expensive as frick.

Also, does this have a CWA or HX ballast?


Luminaire contains a multi-volt CWA ballast. Cost for $hipping was about $160, but I also bought some other $tuff too. Yep, being on the opposite end of the country doesn't help!

Your mission - should you choose to except it - is to save unique and rare HID lighting before it's all scrapped.

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