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H43 Post Top fixture Acquired this from a local Re-store. It was made in 1980 and it has a 75 watt H43 MV ballast. Not to sure of the brand. Unfortunately after wiring it up and applying power, I'm only able to measure 124v at the socket. Is the ballast winding's have an open somewhere? Keywords: American_Streetlights

H43 Post Top fixture

Acquired this from a local Re-store. It was made in 1980 and it has a 75 watt H43 MV ballast. Not to sure of the brand.

Unfortunately after wiring it up and applying power, I'm only able to measure 124v at the socket. Is the ballast winding's have an open somewhere?

20160627_063437_zpsahgr1s9t[1].jpg 20160627_063437_zpsahgr1s9t[1].jpg 20160627_063437_zpsahgr1s9t[1].jpg 20160627_063437_zpsahgr1s9t[1].jpg 20160627_063437_zpsahgr1s9t[1].jpg
File information
Filename:20160627_063437_zpsahgr1s9t[1].jpg
Album name:bucketlight100mv / New album
Keywords:American_Streetlights
Company and Date Manufactured:1980
Wattage:75 watt
Lamp Type:Mercury Vapor
Filesize:74 KiB
Date added:Jun 27, 2016
Dimensions:1024 x 576 pixels
Displayed:116 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=20512
Favorites:Add to Favorites

Comment 1 to 10 of 10
Page: 1

streetlight98   [Jun 28, 2016 at 12:42 AM]
This may be a dumb question, but could it be a 240V ballast?
joe_347V   [Jun 28, 2016 at 05:02 AM]
Heh, it turned out (at least from the same pic that got posted on LG) that the ballast was actually bypassed and a CFL was put in.
streetlight98   [Jun 29, 2016 at 02:18 AM]
Ah so maybe it was 240V and that's why it was bypassed?
bucketlight100mv   [Jun 29, 2016 at 08:04 PM]
It was me that posted this fixture on LG lol. The fixture is wired for 120v and the ballast was bypassed to run a CFL bulb. Why anyone would do this is kinda beyond me. It turns out the ballast is in good working order Smile
streetlight98   [Jun 29, 2016 at 11:37 PM]
They probably couldn't find a lamp for it locally lol. At least they didn't use the CFL with the ballast connected. Laughing Shocked
joe_347V   [Jun 30, 2016 at 12:00 AM]
Yeah 75w MV lamps are quite hard to find locally. I've found one before on clearance at a hardware store. The other possibility is a cheesy lighting refit. I see this done often to 175w MV recessed cans. They remove or bypass the ballast and install a reducer and then screw in either a CFL PAR or in more recent refits, a LED.

I guess technically a 240v CFL will work straight off the ballast. Laughing
NiMo   [Jul 02, 2016 at 08:23 PM]
Joe, I have three NOS 75 watt MV lamps if you're interested, PM me.
joe_347V   [Jul 07, 2016 at 05:45 AM]
Thanks, I'll keep your offer in mind if I do need some more 75w MV lamps.
A_lights   [Jul 10, 2016 at 01:45 AM]
This is a awesome post top! 75W MV isn't common at all!
bucketlight100mv   [Jul 25, 2016 at 12:08 PM]
That's exactly what I thought when I discovered it at the Re-store. I was kinda bummed out tho when there was no high run time dimmed out 75 watt lamp included. Any one have such a lamp they'd trade for a brand new Philips 75 watt MV lamp?

Comment 1 to 10 of 10
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