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McCann Lighting Reflecto-Bay™ Junior High Bay Fixture

McCann Lighting Reflecto-Bay™ Junior High Bay Fixture

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Here's my fixture design for the 50W MV miniature high bay. The box on top is a steel 6" X 6" X 4" Hubbell and the bucket is a 10 Quart galvanized steel pail about 11" in diameter. The bucket is quite large. I could actually fit a mogul base ED23.5 lamp inside this reflector! So I could make this 100W MV or 50-100W HPS as well. 150W HPS would fit but it might generate quite a bit of heat. I could also make this up to 100W PSMH with an HX ballast. Ballast enclosure might be a tight squeeze for a quad-tap CWA ballast like most PSMH ballasts are sold as.

Anyway, this is the RBJ, Relfecto-Bay Junior, the big brother to the Mini Reflecto-Bay, which is only for 35W HPS or incandescent lamps up to 100W. The fixture is just too small for anything larger. Would run too hot and no other ballast would fit.

But in this thing, it's a lot more flexible with the lamps that can be used.

This fixture hasn't been assembled yet. I just stacked the components for the pic. I'll probably paint the outside of the bucket but other than that, it will remain the same (I might even leave the bucket bare since most highbays have unpainted buckets). The handle of the pail will get removed during final assembly.

Everything here was purchased at Home Depot for around $35. I had a gift card so this fixture didn't really cost me anything.

My other mini highbay was constructed pretty crudely. I think this is a much better design. Higher quality components and larger so the components can "breathe". I'd imagine that, with such a small lamp mounted high up in a large bucket, this fixture will create a pretty small pool of light below it, but the pool should be pretty concentrated. I guess this fixture would thrive at a higher mounted height. An ED23.5 lamp would probably be more suitable for the optics though. This giant bucket is a bit overkill for a tiny E17 lamp, which is only about the size of an A19 incandescent.

050317 003.JPG 032217 004.JPG 022517 001.JPG 011917_009.JPG

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Album name:streetlight98 / McCann Lighting - "Lighting for Now, Lighting Forever!"
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File Size:667 KB
Date added:Feb 25, 2017
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Date Time:2017:02:25 22:10:50
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arcblue
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Feb 25, 2017 at 09:40 PM Author: arcblue
Nice bucket light, um, hi-bay! I never thought of doing this but have the same parts around. Probably would look quite cool with a mogul base socket and BT-25 lamp.

I'm lampin...

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Feb 25, 2017 at 09:47 PM Author: Lumex120
That's really nice! I would like to see a version that takes 100w mogul base lamps.

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

streetlight98
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Feb 25, 2017 at 10:21 PM Author: streetlight98
Thanks guys! Yeah a BT25 JUST fits inside the reflector. There's maybe a 1/16" of reflector that extends past the top of the lamp.

If someone wanted one of these with a 100W MV ballast I would make it for them but I don't think I'll make another one of these for myself. For a home-made light it's pretty rock-solid. I thought about eliminating the round junction box and mounting the socket on a threaded nipple and connecting it directly to the ballast housing but I think this looks much nicer. The socket is a snap-in semi-recessed unit and isn't pulse-rated but for MV it doesn't have to be. For HPS I'd use a mogul base socket anyway so it would be pulse rated. Ditto for 100W MV.

For a mogul base socket, I would eliminate the round box but I would keep the round box cover. With the semi-recessed socket I'm using, the round box extension is necessary for containing the socket and the splices for the socket. With a mogul socket, it would have integral leads and be mounted inside the bucket so no junction box is needed.

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

xmaslightguy
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^homebuilt fixture


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Feb 25, 2017 at 10:43 PM Author: xmaslightguy
Quite literally a 'bucket light'

But cool homebuilt fixture

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

ace100w120v
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Feb 25, 2017 at 11:17 PM Author: ace100w120v
I'd want a 100w one if you were ever interested in making one and sparing a ballast and lamp, eventually...
tolivac
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Feb 25, 2017 at 11:31 PM Author: tolivac
CLEVER!!Like this!
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Feb 26, 2017 at 06:13 AM Author: sol
I'd fasten the lamp holder directly to the ballast box, and make a fairly large hole in the bucket. Then mount the bucket with bolts around the lamp holder in such a way that the lamp holder would be visible between the ballast box and the top of the bucket. That way, you'd have more flexibility for larger lamp sizes plus a little room for adjustment. Some commercial high bays are like that, and on some models, you can see part of the lamp above the reflector. Just a thought...
streetlight98
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Feb 26, 2017 at 06:41 AM Author: streetlight98
@ xmas: LOL thanks. Yeah quite literally a bucket light.

@ Andy: Yeah sure I'll make one. Finding a 100W MV ballast might be hard but the rest would be pretty simple.

@ tolivac: Thanks!

@ sol: Sounds like an idea for sure. If I ever make larger versions with ED28 size lamps I might try that.

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

Ash
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Feb 26, 2017 at 06:46 AM Author: Ash
In another thought, some buckets do separate the lamp holder from the ballast box to keep down the temps of the gear. It all depends on how much power are you going to dissipate on a given device size
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Feb 26, 2017 at 08:40 AM Author: wattMaster
Maybe you could use a clear mixing bowl to make this a different kind of highbay.

SLS! <click

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Feb 26, 2017 at 09:50 AM Author: Ash
A Metallic mixing bowl in the top section (inside the bucket, where the "floor" of the bucket is) might improve the reflection of light outwards from that area
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Feb 27, 2017 at 06:06 PM Author: Lumex120
I have that exact same electrical box. They are made by a local manufacturer, and the surplus store sells them for just $7 each. they are pretty good quality, and I am using one as a rotator box on a homemade tornado siren.

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

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^homebuilt fixture


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Feb 27, 2017 at 06:56 PM Author: xmaslightguy
@Zarlog:
You need to post a pic of that homemade tornado siren. in the off-topic section!

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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Jun 23, 2018 at 08:04 PM Author: Lumex120
I'm building something similar to this now, except with an old computer PSU as the ballast enclosure. I saved the plug and switch on it so it can use a detachable computer power cord. Haven't decided what light source yet, but I want to make it either 70w metal halide or 100w mercury vapor. I could probably fit a 175w metal halide ballast in it if the cap is mounted on the outside of the ballast box but I don't have any extra ballasts right now. It's also going to have an eye bolt on the top so I can hang it up somewhere. It will probably go in the garage or something along with my other GE lowbay.


@Zarlog:
You need to post a pic of that homemade tornado siren. in the off-topic section!

It never got finished, I abandoned the project when I started using a 3d printer to make things. I might try making a new one sometime

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

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Jun 24, 2018 at 08:06 AM Author: xmaslightguy
I still need to find a metal box similar to that (outdoor rated) for my MV ballast.
A small metal electric box is the type of thing I totally expected would show up at a ReStore, but nope
The few boxes I've seen anywhere(including the regular stores) are overly large and too expensive

@Lumex120:
I guess a name change happened sometime between that post & now??
You could probably 3D print something cool for a project like that1

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

Lumex120
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Jun 24, 2018 at 09:56 AM Author: Lumex120

I still need to find a metal box similar to that (outdoor rated) for my MV ballast.
A small metal electric box is the type of thing I totally expected would show up at a ReStore, but nope
The few boxes I've seen anywhere(including the regular stores) are overly large and too expensive

@Lumex120:
I guess a name change happened sometime between that post & now??
You could probably 3D print something cool for a project like that1

You could use one of these: https://www.menards.com/main/electrical/rough-electrical/junction-boxes/wiegmann-6-x-6-x-4-nongalvanized-steel-screw-cover-pull-box-nema-3r/rsc060604rc/p-1444451780546-c-6425.htm?tid=6190035856297550136&ipos=2

They are already used for housing landscape lighting ballasts (I have a 35w CMH ballast box that's the same as one of these)and so it should be fine for your 50w merc ballast. Plus, you could put a padlock on it to keep someone from stealing your rare 50w mercury ballast.

Also yes, I had my name changed last year due to doxxing.

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

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Jun 24, 2018 at 10:19 AM Author: HomeBrewLamps
I like this...

~Owen

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

streetlight98
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Jun 24, 2018 at 11:45 AM Author: streetlight98
@ Lumex: Can't wait to see it!

@ Homebrew: Thanks! I might convert it to 100W PSMH and save the 50W MV ballast for another project but honestly I don't have time for any more projects right now. I'm backed up on all sorts of work I have to do to my collection (restore some lights, etc.) and when my only day off (sunday) comes around I don't feel like doing anything lol.

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

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