[TowerTalk] Weatherproof Remote Antenna Switch Box Plus
Grant Saviers
grants2 at pacbell.net
Fri Mar 8 18:11:00 EST 2019
Hoffman boxes are great but very expensive. Their competitors are a bit
cheaper. Here is a much cheaper alternative from Harbor Freight
https://www.harborfreight.com/3800-weatherproof-protective-case-16-516-in-63927.html
Basically knock offs of Pelican watertight cases but at a fraction of
the price. I use the smallest one for an HT, extra battery, charger.
Another for my truck tool kit. The larger ones will handle a compact all
band radio, my K3 will fit. All the foam is precut and removable.
Often on sale as shown.
One other solution for large boxes is to use a steel office cabinet with
doors. Throw away the shelves. Really cheap at auctions or used
dealers. $199 for this one:
https://www.officedepot.com/a/products/945923/Realspace-42-Steel-Storage-Cabinet-With/;jsessionid=0000OXyY69cxI1dd1RzSOoXc0Fm:17h4h7b45
I needed one this size for my entry panel & conduit terminations (4 in
the bottom/side x 2 out the back conduits). A Hoffman box this size
(42h x 36w x 18d) is over $1.5k. A couple of coats of paint, a glued on
drip edge over the door and all is well inside and out after 5 years in
Seattle rains.
Grant KZ1W
On 3/8/2019 14:32 PM, john at kk9a.com wrote:
> Jim's suggestion is excellent. Hoffman enclosures are well made and I have
> never had am issue with them outdoors. You can buy them at all of the
> electronic suppliers like Newark, Allied, etc. I have purchased larger ones
> on eBay that may be slightly dinged for big discounts. Some used ones are
> also available if there are not too many holes that would affect your use.
>
> John KK9A
>
>
> jimlux wrote:
>
> On 3/8/19 10:27 AM, jrquark via TowerTalk wrote:
>> G'day all;
>>
>> After many years/decades of minimal amateur radio work, I finally have a
> tower with rotor and beam, dipole and vertical. I finally installed a five
> position remote coax switch. I would like to weatherproof the assembly by
> enclosing it in a weather tight case. The case or enclosure could be found
> at the local big box store or electrical contractor's supply store, which
> should measure; Width = 10", Depth = 9" and Height = 12".
>> If you have a great suggestion for suppliers, please let me know.
>
> What you are looking for is often called a "Hoffman box" (Hoffman is a
> major manufacturer of such things). Generically what you're looking for
> is probably a "raintight enclosure" (NEMA 3R).
>
> They're available in plastic as well.
> With or without a panel that mounts in the back (so you can assemble
> your stuff on the panel, and then it mounts on pressed or welded in
> standoffs inside the box.
>
>
> Your sort of size is pretty common - it's used for things like Cable TV
> and such. You might find something at L-com.com
>
> http://www.l-com.com/nema-enclosures?cmp=LM1
>
> 9" might be deep for a 12x10 box
>
>
>
>
>>
>> Plus: I am at a loss for the weatherproof pass-throughs for the RFC 600 &
> RG 8 coax. Believe there was a distant discussion for such items.
>
>
> There are a variety of ways to do this.. there's "cable glands" which
> provide a weather tight seal around a cable, but you probably won't get
> the coax connector through.
>
> You could use bulkhead feedthroughs, connector on the inside, connector
> on the outside. Or jumper cable with a jack on one end that mounts
> through the box wall and plug on the other end to connect to your relay.
>
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