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1. [RFI] Identify this pole hardware (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Wed, 30 May 2007 07:41:54 -0700; Can anyone tell me what these little black boxes attached to powerline poles around my house are? I suspect that one of them is a source of RFI. Here's a link to pictures of the black boxes. They are; /archives//html/RFI/2007-05/msg00067.html (7,380 bytes)
2. Re: [RFI] Identify this pole hardware (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Wed, 30 May 2007 09:47:39 -0700; Yes, I suspected that it was part of the cable system. I get S9 "powerline like" noise on HF all the way up through (and past I suppose) 432Mhz. Sometimes the NB will knock it down, but not always. T; /archives//html/RFI/2007-05/msg00068.html (10,588 bytes)
3. Re: [RFI] Identify this pole hardware (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Wed, 30 May 2007 12:57:40 -0400; The CATV line is the second line up. You can see the splitters on that line in picture 3. The black boxes are on what appears to be the telephone line, and they have a standard numbering system used; /archives//html/RFI/2007-05/msg00069.html (7,313 bytes)
4. Re: [RFI] Identify this pole hardware (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Wed, 30 May 2007 10:02:59 -0700; I'll have to post another picture. One of those boxes looks like it has blown apart and there is a multi-wire cable dangling up there as well. The multi-wire cable could have been there before I supp; /archives//html/RFI/2007-05/msg00070.html (8,765 bytes)
5. Re: [RFI] Identify this pole hardware (score: 1): Author: Bill NY9H <ny9h@arrl.net>; Date: Wed, 30 May 2007 12:27:54 -0500; I would hate to have been on the phone... if that is what blew. Maybe a little bit of 5 kv dropped down thru the 220 into the phone lines ??? bill _______________________________________________ RFI; /archives//html/RFI/2007-05/msg00071.html (9,542 bytes)
6. Re: [RFI] Identify this pole hardware (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Wed, 30 May 2007 13:55:57 -0400; poles around my house are? I suspect that one of them is a source of RFI..." These appear to be an old style of telco splice enclosure and they should be purely passive. The CATV line appears above; /archives//html/RFI/2007-05/msg00072.html (8,330 bytes)
7. Re: [RFI] Identify this pole hardware (score: 1): Author: David - M0ZLB <m0zlb@btinternet.com>; Date: Wed, 30 May 2007 19:05:01 +0100; _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi; /archives//html/RFI/2007-05/msg00073.html (9,664 bytes)
8. Re: [RFI] Identify this pole hardware (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Wed, 30 May 2007 11:07:42 -0700; Yes, this is what I'm now suspecting. Maybe power somehow arc'd to this box and caused it to blow. If this is true, then the arc may still be there and my noise problem may come back once temperature; /archives//html/RFI/2007-05/msg00074.html (11,037 bytes)
9. Re: [RFI] Identify this pole hardware (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Wed, 30 May 2007 14:36:42 -0400; In the 70's I did consulting work and handled overflow from a few utilities voltage investigation units. While it has been many years ago, the most common cause of "big bangs" and light blinks after; /archives//html/RFI/2007-05/msg00075.html (9,612 bytes)
10. Re: [RFI] Identify this pole hardware (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Wed, 30 May 2007 15:23:44 -0700; I went home from work for lunch and took a look. Yes, these black boxes are connected to the telephone lines. So, I guess the answer to my original question is: these are telco splice boxes. As other; /archives//html/RFI/2007-05/msg00076.html (10,789 bytes)
11. Re: [RFI] Identify this pole hardware (score: 1): Author: Hisashi T Fujinaka <htodd@twofifty.com>; Date: Wed, 30 May 2007 15:29:46 -0700 (PDT); I'm looking forward to seeing the picture, but my guess is that there was a guy up on the pole doing a haphazard job around the same time you heard the explosion and it's just coincidental. -- Hisash; /archives//html/RFI/2007-05/msg00077.html (8,650 bytes)
12. Re: [RFI] Identify this pole hardware (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Wed, 30 May 2007 16:10:40 -0700; There may have been a squirrel up on the pole, but no person. Two of my neighbors have a clear view of that pole from their backyard and both of them (and me) were working in our backyards when we he; /archives//html/RFI/2007-05/msg00078.html (9,260 bytes)
13. Re: [RFI] Identify this pole hardware (score: 1): Author: "RFI Services" <mike@rfiservices.com>; Date: Wed, 30 May 2007 21:34:13 -0400; The explosion meant someone fairly close was without power and most likely caused by a squirrel. It could have been much further away than you may imagine. The distance the sound of a fuse blowing ca; /archives//html/RFI/2007-05/msg00079.html (8,881 bytes)
14. Re: [RFI] Identify this pole hardware (score: 1): Author: "Kelly Johnson" <n6kj.kelly@gmail.com>; Date: Wed, 30 May 2007 23:04:23 -0700; 5 more pictures have been uploaded to my website for those of you that are interested. Unfortunately, it's not easy to see from the pictures. It was much easier in person. Pictures 3273, 3274, 3275 a; /archives//html/RFI/2007-05/msg00080.html (12,241 bytes)

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