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Re: [TowerTalk] Antenna/tower Equipment Box

To: <TowerTalk@contesting.com>
Subject: Re: [TowerTalk] Antenna/tower Equipment Box
From: "Kenny Young" <ab4gg@mindspring.com>
Date: Tue, 10 Feb 2009 07:11:29 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Jerry,

 

NEMA 1 enclosures are for indoor use and most commonly come with screw
covers.

NEMA 3R enclosures are for outdoor use and come with hinged and screw
covers.

I just purchased a HoffmannR 30" x 30" x 12" NEMA 3R enclosure with
backplate and hinged cover for mounting at the base of the tower.

I agree with Roger about metal vs plastic.  What size and rating are you
looking for?

 

Kenny, ab4gg

 

 

Jerry wrote:

> I'm about to "remodel" my antenna switching/lightning suppression/etc 

> system.  Currently this is housed in a small electrical box from the 

> local big box store.  I really need a much larger and deeper box, but 

> really don't want to pay the price for a NEMA-type large box.  Anyone

>   

NEMA boxes come in a number of models. The ones with the hinged and gasketed
door are a bit pricey, but depending on conditions, may be worth it.  I
think these are the NEMA 1, while the NEMA 4 are just a box with a screw on
cover at mybe 20% the price of the model one.  They are primed, come in a
variety of sizes, with a 10 X 10 X 6 being around  $20 *IIRC*. A good coat
of paint and some Silastic RTV (TM) and it's one whale of a rugged box that
can be grounded. 

 

IF you can weld and have a source for steel, it takes time along with a bit
of paint to make your own.

 

I stay away from plastic as I want my relay boxes grounded. All coax enters
the boxes through bulkhead connectors.

> have any ideas and/or where to work.  A few hours of "googling" 

> produced no results.

>   

Check the less expensive NEMA boxes and see how they are priced.  

Otherwise you can also use an aluminum chassis with a cover. Again, paint is
pretty important.

 

73 and good luck,

 

Roger (K8RI)

> Tnx

> Jerry France

> K7LY

> _______________________________________________

 

 

Thanks,

Kenny

 

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