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Old Yesterday, 09:39 PM   #1
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Default Sometimes IEC actually is a better choice

I’m not sure where to post this but this is one of our plants “MCC” cabinets. This is factory as near as I can tell, mid 80’s timeline, just before IEC hit the shores. I love my NEMA stuff, but this is wrong on a multitude of levels.
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Old Yesterday, 10:22 PM   #2
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From a mere price standpoint, I think it's always better. Service factor? Not my concern. Fast easy paycheck? Yep. I get better than 5 years out of them every time in my experiences. Usually more. What me worry?



P.S. Before showering me with all the hate, consider your GM vehicle and it's highly undesirable plastic door handles. But we keep buying them don't we?
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Old Today, 09:02 AM   #3
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IEC is a lot better in those point, size, price and security, iec are finger safe, those old nema are very dangerous when doing live troubleshooting
This panel doesn't follow manufacturer specs, they need some spacing between each starter.
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Old Today, 09:04 AM   #4
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We use all IEC. just over size when necessary. It is cheaper and way easier to change out an entire IEC contactor that to change the contacts on a nema
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Old Today, 11:09 AM   #5
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I like IEC as well. Small and reliable. Great price too.
Seems its hated around here. I have an idea why, but this is not the controversial forum.
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Old Today, 12:53 PM   #6
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What is wrong in your picture has nothing to do with NEMA or IEC, but with lack of spacing between components and properly sized wire duct.

It is a design problem not a component problem.
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Old Today, 04:04 PM   #7
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Quote:
Originally Posted by bill39 View Post
What is wrong in your picture has nothing to do with NEMA or IEC, but with lack of spacing between components and properly sized wire duct.

It is a design problem not a component problem.
Yes and no. Yes there is a lack of space between components . No that Hoffman box is undersized, so you couldn't get more space between components...... unless.......... You switched em all to iEC.


So then, the problem is the size of the box. Yes? No?
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Old Today, 04:38 PM   #8
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Originally Posted by macmikeman View Post
Yes and no. Yes there is a lack of space between components . No that Hoffman box is undersized, so you couldn't get more space between components...... unless.......... You switched em all to iEC.


So then, the problem is the size of the box. Yes? No?
The definitive answer is....well, maybe.

It depends on how much physical space was available when the location for the box was picked out, plus what were the customer’s spec’s, if any. Were IEC components even permitted?

Sizing the enclosure is often the last thing to be done. I hate having to shoe horn things into an enclosure only to see the fitters or HVAC folks spread out like there’s no tomorrow.
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Old Today, 04:58 PM   #9
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I like IEC as well. Small and reliable. Great price too.
Seems its hated around here. I have an idea why, but this is not the controversial forum.
I think they both have their place.

Really large high amp loads you can't beat NEMA.
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Old Today, 05:00 PM   #10
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Originally Posted by bill39 View Post
What is wrong in your picture has nothing to do with NEMA or IEC, but with lack of spacing between components and properly sized wire duct.

It is a design problem not a component problem.

Yup, can't make a silk purse from a sow's ear.
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Old Today, 05:02 PM   #11
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Originally Posted by macmikeman View Post
Yes and no. Yes there is a lack of space between components . No that Hoffman box is undersized, so you couldn't get more space between components...... unless.......... You switched em all to iEC.


So then, the problem is the size of the box. Yes? No?

It's just a piss poor design.
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Old Today, 06:49 PM   #12
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To everyone, there was room for a larger enclosure on the iron work, but the available space wasn't used for whatever reason. Later plants use a larger Hoffman box with IEC components with room to spare inside. Why this is made like this is anybodies guess. Honestly a 12"x12"x8' wire trough with combos kearneyed on to a cable bus would be an improvement over this, but this is what I've got. This is a glimpse into the wonderful r-mix world and my day to day doings. @John Valdes, at first blush I thought what about IEC vs NEMA would be a controversial topic that would need to be in Controversial, then I thought, yeah, it'll end up 6 pages long and way over in the weeds. I may start a thread about it in Controversial.
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Old Today, 07:50 PM   #13
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Quote:
Originally Posted by 460 Delta View Post
I’m not sure where to post this but this is one of our plants “MCC” cabinets. This is factory as near as I can tell, mid 80’s timeline, just before IEC hit the shores. I love my NEMA stuff, but this is wrong on a multitude of levels.
DANGER 3 PHASE lol.

This just went from order to chaos. Either lazy or underfunded maintenance or something worse.
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Old Today, 08:54 PM   #14
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DANGER 3 PHASE lol.

This just went from order to chaos. Either lazy or underfunded maintenance or something worse.
Really none of the above, ignorance mostly. I buy voltage stickers and the Danger Arc Flash Hazard stickers like I own stock in a sticker plant and still only a fraction of my plants are marked.
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Old Today, 09:55 PM   #15
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Really none of the above, ignorance mostly. I buy voltage stickers and the Danger Arc Flash Hazard stickers like I own stock in a sticker plant and still only a fraction of my plants are marked.
Doesn't look like there is space even for a sticker.
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