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Old 03-17-2017, 11:32 AM   #1
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Default NEMA 12 Enclosure

Is there any time that a NEMA 12 enclosure can be used outside? I know its an indoor enclosure, but the prints are calling for it and its outside in a ball field. It clearly calls for a Saginaw NEMA 12 enclosure. Just wondering if I am missing something.

http://www.clrwtr.com/PDF/Saginaw/Sa...Enclosures.pdf
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Old 03-17-2017, 11:49 AM   #2
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NEMA-12 is usually referred to as drip proof. Ask Saginaw if they sell a drip shield for that enclosure. It's just a small metal bar that would install across the top lip/door. It function is to do exactly what the name implies....to keep the rain from dripping into the enclosure across the gasketed opening.

I suppose it would also keep a sleet buildup from getting into the enclosure.

NEMA-4 is the next step up. The only difference is that it has a couple of more clamps. I'd still use a drip shield on it too.

Don't confuse NEMA-4 with NEMA-4X. 4X is stainless steel and costs much, much more.
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Old 03-17-2017, 12:35 PM   #3
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I have installed thousands of NEMA 12 outdoors. Now I read that it is an indoor enclosure. I am going to hell.
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Old 03-17-2017, 03:13 PM   #4
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I have installed thousands of NEMA 12 outdoors. Now I read that it is an indoor enclosure. I am going to hell.
Wanna carpool?
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Old 03-17-2017, 08:44 PM   #5
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I have installed thousands of NEMA 12 outdoors. Now I read that it is an indoor enclosure. I am going to hell.
NEMA 12 has been the standard for outdoor installations around here for longer than I can remember.

Like a lot of us, I have installed tons of NEMA 12 outdoors.
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Old 03-18-2017, 01:21 AM   #6
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Like a lot of us, I have installed tons of NEMA 12 outdoors.
Yep.
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Old 03-18-2017, 01:56 AM   #7
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Had to google that. Always called it a Weigmann box, never learned the name, saw that on a sticker inside and went with it. I've only put in a few but you'll have to stop at my place in the carpool, put 'em outside too.
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Old 03-18-2017, 09:03 PM   #8
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Wanna carpool?
I would be in for that. I would go with hax but he never wants to pick up any slutty chicks. He always says "no way I am a mans man".
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Old 03-18-2017, 09:39 PM   #9
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NEMA 12 has been the standard for outdoor installations around here for longer than I can remember.

Like a lot of us, I have installed tons of NEMA 12 outdoors.
But has it ever rained in Nevada?

Around here, outdoor is always minimum NEMA 3R. NEMA 4 or 4X are next depending on application.
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Old 03-18-2017, 10:38 PM   #10
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But has it ever rained in Nevada?

Around here, outdoor is always minimum NEMA 3R. NEMA 4 or 4X are next depending on application.
Lol.... we usually get about 5" of rain a year, most of it is snow which melts later on in the day.

There's NEMA 1 stuff that's been outside for years and is still holding up. I've seen Bulldog and a few of the others of that era outside, still in good shape.
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Old 03-19-2017, 02:37 AM   #11
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Around here, outdoor is always minimum NEMA 3R. NEMA 4 or 4X are next depending on application.
Sounds like the US eastern seaboard.
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Old 03-19-2017, 03:04 AM   #12
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I would be in for that. I would go with hax but he never wants to pick up any slutty chicks.

He always says, "no way, I am a man's man".
Now be nice.
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Old 03-19-2017, 01:11 PM   #13
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Lol.... we usually get about 5" of rain a year, most of it is snow which melts later on in the day.

There's NEMA 1 stuff that's been outside for years and is still holding up. I've seen Bulldog and a few of the others of that era outside, still in good shape.
I would have thought that Nevada would be a dusty place and a Type 1 panel would be full after a few years? My town is an arid area and we get about 10" per year (just checked wikipedia). I think the 3R is more for the snow and ice buildup that can occur on equipment.
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Old 03-19-2017, 05:56 PM   #14
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Our MCCs are NEMA 12 but I think the type for outdoor has an overhang piece above the door.
FWIW, it seems like it would keep cleaner inside than any NEMA3R loadcenter.
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Old 03-19-2017, 08:45 PM   #15
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Our MCCs are NEMA 12 but I think the type for outdoor has an overhang piece above the door.
FWIW, it seems like it would keep cleaner inside than any NEMA3R loadcenter.
NEMA 12 is designed for indoor, NEMA 3 is weather resistant for outdoor. I think you're talking about the optional drip edge you can put on top of the MCC.
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Old 03-19-2017, 09:11 PM   #16
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I would have thought that Nevada would be a dusty place and a Type 1 panel would be full after a few years? My town is an arid area and we get about 10" per year (just checked wikipedia). I think the 3R is more for the snow and ice buildup that can occur on equipment.
There is a TON of dust around here but it doesn't build up too badly in stuff. There's always a layer on the bottom of anything installed outdoors but it's not very deep.

NEMA 12 seems to keep the dust out more than 3R.
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Old 03-19-2017, 09:22 PM   #17
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Wanna carpool?
Based upon this crowd.... we're gonna need a bus...
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Old 03-19-2017, 09:27 PM   #18
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Based upon this crowd.... we're gonna need a bus...
I'll be standing there waving good bye to y'all!
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Old 03-19-2017, 09:28 PM   #19
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There is a TON of dust around here but it doesn't build up too badly in stuff. There's always a layer on the bottom of anything installed outdoors but it's not very deep.

NEMA 12 seems to keep the dust out more than 3R.
It's funny you say that: "3R same As 3, but omits protection against windblown dust"
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Old 03-20-2017, 12:31 AM   #20
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It's funny you say that: "3R same As 3, but omits protection against windblown dust"
Lol.....
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