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Old 05-27-2011, 12:30 AM   #11
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Inodoro_Pereyra,

Wait... Wait... You paint a senerio that is beyond imagination. AND - It has nothing to do with what we, as brewers, are doing.
It's a high power, high voltage (220V) short circuit, that lit a door sitting 8 feet away on fire in a fraction of a second. I'd say it has everything to do with putting 240V equipment in a closed wooden box, that's just inches away from a possible short circuit.
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Old 05-27-2011, 01:10 AM   #12
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I'd say we treat them like an electric, high powered machine, in a house were women and children may live. Do you see many clothes dryers, stoves, or dishwashers made out of wood? I would think a brewing setup should at least follow the same safety rules as a dishwasher, wouldn't you agree?
Well, no I don't. My wife uses the dishwasher every day for one thing. Also, if it had a separate control panel, I'd have no problem with it being made of wood. We're not talking about a shoddy scrap wood box here are we? I mean, a nicely crafted box made of high quality wood with decent craftsmanship and finishing can be waterproof and safe. You know they once made boat hulls out of wood and those had metal machines that caused explosions to happen thousands of times per minute on purpose.

I'm messing with you a bit here ya know.
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Old 05-27-2011, 03:15 AM   #13
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Seriously though, I do think it's a recent trend around here to er on the side of over cautious for fear that we might give someone permission to make a stupid mistake. We're all adults and if you can't figure out if something is safe or not, it's probably not safe for the person asking.

What do I know though? I like to live on the edge so I'm going to build my enclosure out of compressed dryer lint.

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Old 05-27-2011, 03:21 AM   #14
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Could one power the dryer lint with a lightning rod then just wait for a storm? Excellent....

I wound up buying a $6 plastic toolbox dealie today, so I'll see how that goes. Seen enough of those around here, and they're cheap, and easy to cut/drill! Now to ensure it doesn't melt....

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Old 05-27-2011, 03:51 AM   #15
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Seriously though, I do think it's a recent trend around here to er on the side of over cautious for fear that we might give someone permission to make a stupid mistake. We're all adults and if you can't figure out if something is safe or not, it's probably not safe for the person asking.
True, but the fact is we don't know who reads our posts.
I used to be an active member on a biodiesel forum. You wouldn't believe the kind of stupid crap some people did, even when they were constantly reminded they were dealing with electricity, flammable, toxic and corrosive materials. I just don't want to have that stuff on my conscience...


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What do I know though? I like to live on the edge so I'm going to build my enclosure out of compressed dryer lint.
Make sure you use the thermite dope the Mythbusters used in the Hindenburg episode, to seal the lint...
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Old 05-28-2011, 02:52 PM   #16
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I think what is missing here is the "Energy Potential" available. I can tell you there will be no 8 foot arc flash coming from a residential outlet. This is the whole reason they came up with class ratings on electrician tools. Class III is what you typically find inside a home and you will only be able to generate so much energy. Anyone fooling with these builds better have a healthy respect for the lethal nature of 120/220 Volts AC and have at least a basic knowledge of electricity in general or they risk themselves and others safety. That said, I would feel perfectly fine using wood as a control panel provided it was wired correctly and not mounted directly over a boil kettle.

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Old 06-12-2011, 11:23 PM   #17
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I think what is missing here is the "Energy Potential" available. I can tell you there will be no 8 foot arc flash coming from a residential outlet. This is the whole reason they came up with class ratings on electrician tools. Class III is what you typically find inside a home and you will only be able to generate so much energy. Anyone fooling with these builds better have a healthy respect for the lethal nature of 120/220 Volts AC and have at least a basic knowledge of electricity in general or they risk themselves and others safety. That said, I would feel perfectly fine using wood as a control panel provided it was wired correctly and not mounted directly over a boil kettle.
Hmmm... Its good to know I am not completely insane! My original plan for my new contol panel was to do exactly that, but I instead opted for building a custom panel enclosure from fiberglass.
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Old 07-15-2011, 03:15 AM   #18
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Quite Relevant "Ad Choices" below the previous reply...

"Free Arc Flash Handbook 130 pages of free expert advice on Arc Flash and Arc Flash Safety www.DuraLabel.com"

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Old 07-15-2011, 09:41 AM   #19
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you're not going to get an arc flash like that, even in a worse-case scenario, in a 50-amp 220-volt single-phase panel... you might lose your eyebrows and see purple dots for awhile, but that's another subject.....

a plywood box, sealed with polyurethane, or better, epoxy, will work just fine. west system is a common marine epoxy that is designed to soak into and encapsulate wood, i have used it many times and it is excellent stuff.

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