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#1
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Anybody have a spare NEMA 4 type box?
I'm looking for a NEMA type 4 box or equivalent. New one are a bit
pricey. It must be weather proof. Small holes OK, since I could weld pathes on to keep it watertight. It will be for my 432 beacon and will be mounted up on a tower (up to 200 feet above ground). Prefer metal. Size needed would be about 12" X 12" X 6" or so... Thanks, Scott N0EDV |
#2
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I have one, but....... could be pricey to ship. I have to run, but e-mail me
for details. cl "Scott" wrote in message ... I'm looking for a NEMA type 4 box or equivalent. New one are a bit pricey. It must be weather proof. Small holes OK, since I could weld pathes on to keep it watertight. It will be for my 432 beacon and will be mounted up on a tower (up to 200 feet above ground). Prefer metal. Size needed would be about 12" X 12" X 6" or so... Thanks, Scott N0EDV |
#3
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Would you consider an ammo box? They're readily available at surplus stores.
Roy Lewallen, W7EL Scott wrote: I'm looking for a NEMA type 4 box or equivalent. New one are a bit pricey. It must be weather proof. Small holes OK, since I could weld pathes on to keep it watertight. It will be for my 432 beacon and will be mounted up on a tower (up to 200 feet above ground). Prefer metal. Size needed would be about 12" X 12" X 6" or so... Thanks, Scott N0EDV |
#4
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Are they watertight? If so, I think I could make it all fit inside
(except for the 1' X 3' solar panel Scott N0EDV Roy Lewallen wrote: Would you consider an ammo box? They're readily available at surplus stores. Roy Lewallen, W7EL Scott wrote: I'm looking for a NEMA type 4 box or equivalent. New one are a bit pricey. It must be weather proof. Small holes OK, since I could weld pathes on to keep it watertight. It will be for my 432 beacon and will be mounted up on a tower (up to 200 feet above ground). Prefer metal. Size needed would be about 12" X 12" X 6" or so... Thanks, Scott N0EDV |
#5
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Yes, they have a heavy rubber seal under the lid, and the lid is held
down tightly. They're made of heavy gauge steel, which might be better (it's shielded) or worse (it's probably heavier) for your application than the plastic box others have recommended. They come in at least a couple of sizes and are relatively inexpensive. Think I paid $15 or $20 for some fair sized ones a while back. Considering their objective of keeping ammo free from corrosion and excessive moisture in virtually any environment, they seem to be a viable choice for an outside enclosure. You might want to seal it up when exposed to dry air and possibly enclose a dessicant, also, to reduce condensation problems. Some of the plastic boxes have a one-way valve to let air out but not in, which might be an advantage. I don't have any real experience with keeping a weathertight box outside for an extended period, though. It would be good to get some opinions and advice from people who do. Roy Lewallen, W7EL Scott wrote: Are they watertight? If so, I think I could make it all fit inside (except for the 1' X 3' solar panel Scott N0EDV Roy Lewallen wrote: Would you consider an ammo box? They're readily available at surplus stores. |
#6
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I don't have any real experience with keeping a weathertight box outside for an extended period, though. It would be good to get some opinions and advice from people who do. =================================== Some time ago I was given an enclosure for an outdoor surveillance TV camera which had a suitable heater (50 Watts resistor) switched by a bi-metallic temperature switch. A homebrew solution would be an opamp circuit with 2 diode type temperature sensors,measuring in-and outside temperature ,maintaining an inside temperature approx 2degr C higher than the outside temp. This would be adequate to prevent condensation . Seems a bit overdone at a first glance ,but would ensure protection of valuable RF equipment. Perhaps someone involved with Mobile Phone Cell Systems outdoor equipment would care to comment. Frank GM0CSZ / KN6WH |
#7
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hi scott,
home depot and most electrical supply houses have PVC outdoor weathertight boxes, under $ 30 work just fine. These are rated for outside use grey pvc. nema dude Scott wrote: I'm looking for a NEMA type 4 box or equivalent. New one are a bit pricey. It must be weather proof. Size needed would be about 12" X 12" X 6" or so... Thanks, Scott N0EDV |
#8
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Hey, good call! I'll check them out! Plastic would be OK! Just need
something to keep water OUT! Scott N0EDV NEMA_DUDE wrote: hi scott, home depot and most electrical supply houses have PVC outdoor weathertight boxes, under $ 30 work just fine. These are rated for outside use grey pvc. nema dude Scott wrote: I'm looking for a NEMA type 4 box or equivalent. New one are a bit pricey. It must be weather proof. Size needed would be about 12" X 12" X 6" or so... Thanks, Scott N0EDV |
#10
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"Dr. Anton T. Squeegee" wrote in message news:MPG.1cb870eadc8b7f9989701@localhost... In article , says... I'm looking for a NEMA type 4 box or equivalent. New one are a bit pricey. It must be weather proof. Small holes OK, since I could weld pathes on to keep it watertight. It will be for my 432 beacon and will be mounted up on a tower (up to 200 feet above ground). Prefer metal. Size needed would be about 12" X 12" X 6" or so... Pricey? Not the smaller ones. I've got a pair of 12x12x6's in my van that ran about $30 or so. No, they're not metal... They're a sort of plastic-fiberglass composite. However, installing a copper 'Faraday cage' internally would be a simple matter of cutting and bolting in some copper sheets. They do, however, meet the full NEMA-4X specifications for water resistance and other environmental nastiness. If you decide to pursue such, Platt Electric Supply (nationwide chain) has them. Happy hunting. -- Dr. Anton T. Squeegee, Director, Dutch Surrealist Plumbing Institute. (Known to some as Bruce Lane, ARS KC7GR, kyrrin (a/t) bluefeathertech[d=o=t]calm -- www.bluefeathertech.com "If Salvador Dali had owned a computer, would it have been equipped with surreal ports?" "I" am not up on the "NEMA" specs as I don't do a lot of that sort of thing... I wish we were closer, as I have a heavy metal gauge outdoor - weatherproof box about the size I've been seeing mentioned..... I am selling it for $50 not counting shipping. It has some weight to it, so not sure what it would cost to ship. cl |
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