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Total 20 documents matching your query.

1. [Amps] Isolation transformer (score: 1): Author: "Barrie Smith" <barrie@centric.net>; Date: Mon, 27 Feb 2006 15:08:45 -0700; Will be putting a SS 1296 amplifier, complete with 40 amp switching power supply, on a tower soon. Will need to run 120 volts AC up the tower. Looking about, I don't see any 120/120 volt, 600 to 700; /archives//html/Amps/2006-02/msg00646.html (6,599 bytes)
2. [Amps] Isolation Transformer (score: 1): Author: "Steve Cook" <sccook1@cox.net>; Date: Sat, 27 Jan 2007 11:12:43 -0700; Seems someone was asking about a source for Isolation transforms on here in the last week or so... Check out this link: http://www.alltroni cs.com/cgi- bin/item/ 98N002/E/ 550W%2D500VA% 2DIsolation%; /archives//html/Amps/2007-01/msg00263.html (6,586 bytes)
3. Re: [Amps] Isolation Transformer (score: 1): Author: "Bert Almemo" <balmemo@sympatico.ca>; Date: Sat, 27 Jan 2007 13:46:00 -0500; Hi Steve, The provided URL is not working and for several reasons. When you a have long URL or an URL that's likely to be cut off go to www.tinyurl.com and get a shorter one. The one in your email al; /archives//html/Amps/2007-01/msg00264.html (8,724 bytes)
4. Re: [Amps] Isolation Transformer (score: 1): Author: rgroh@swbell.net; Date: Sat, 27 Jan 2007 11:02:58 -0800 (PST); The URL got chopped off: try www.alltronics.com 73 Bob, WA2CKY Seems someone was asking about a source for Isolation transforms on here in the last week or so... Check out this link: http://www.alltr; /archives//html/Amps/2007-01/msg00265.html (7,349 bytes)
5. Re: [Amps] Isolation Transformer (score: 1): Author: "Robert B. Bonner" <rbonner@qro.com>; Date: Sat, 27 Jan 2007 13:14:55 -0600; Try www.alltronics.com this didn't take too much thinking. One too many periods. Hi Steve, The provided URL is not working and for several reasons. When you a have long URL or an URL that's likely to; /archives//html/Amps/2007-01/msg00266.html (9,241 bytes)
6. Re: [Amps] Isolation Transformer (score: 1): Author: K6TFZ@aol.com; Date: Sat, 27 Jan 2007 14:44:36 EST; This is the correct address: _http://www.alltronics.com/cgi-bin/item/98N002/62/550W-500VA-Isolation-Transfo rmer_ (http://www.alltronics.com/cgi-bin/item/98N002/62/550W-500VA-Isolation-Transformer) G; /archives//html/Amps/2007-01/msg00268.html (6,687 bytes)
7. Re: [Amps] Isolation Transformer (score: 1): Author: "Bert Almemo" <balmemo@sympatico.ca>; Date: Sat, 27 Jan 2007 15:21:48 -0500; Not everybody is as smart as you are Robert. Not only too many periods but also several spaces. I'm just trying to help. Try www.alltronics.com this didn't take too much thinking. One too many period; /archives//html/Amps/2007-01/msg00269.html (10,408 bytes)
8. Re: [Amps] Isolation Transformer (score: 1): Author: "Robert B. Bonner" <rbonner@qro.com>; Date: Sat, 27 Jan 2007 14:48:58 -0600; You did it again Bert, Smart Ass not smart as... ;-0 (Me too) Not everybody is as smart as you are Robert. Not only too many periods but also several spaces. I'm just trying to help. Try www.alltroni; /archives//html/Amps/2007-01/msg00270.html (10,557 bytes)
9. [Amps] Isolation Transformer (score: 1): Author: "David C. Hallam" <dhallam@rapidsys.com>; Date: Sun, 13 Dec 2009 18:42:42 -0500; I recently picked up a medical grade 3KVA toroidal isolation transformer. It has dual primaries and secondaries so in addition to being a isolation transformer it can be used as a step up/down transf; /archives//html/Amps/2009-12/msg00312.html (7,234 bytes)
10. Re: [Amps] Isolation Transformer (score: 1): Author: "Jim Carr" <n7fcf@hctc.com>; Date: Sun, 13 Dec 2009 16:56:16 -0800; The purpose of the ground wire in a 120v/240v branch circuit is to blow the fuse if a hot wire touches the metal cabinet. The RF grounding system is a horse of another color and usually has it's own; /archives//html/Amps/2009-12/msg00313.html (8,543 bytes)
11. Re: [Amps] Isolation Transformer (score: 1): Author: Gudguyham@aol.com; Date: Sun, 13 Dec 2009 20:02:43 EST; The RF grounding system is a horse of another color and usually has it's own ground rod seperate from the service main. _______________________________________________ Amps mailing list Amps@contesti; /archives//html/Amps/2009-12/msg00314.html (7,265 bytes)
12. Re: [Amps] Isolation Transformer (score: 1): Author: "Jim Carr" <n7fcf@hctc.com>; Date: Sun, 13 Dec 2009 17:45:11 -0800; All grounds on a premises must be connected together according to the NEC -- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 9.0.716 / Virus Database: 270.14.105/2562 -; /archives//html/Amps/2009-12/msg00315.html (7,529 bytes)
13. Re: [Amps] Isolation Transformer (score: 1): Author: "Dr. David Kirkby" <david.kirkby@onetel.net>; Date: Mon, 14 Dec 2009 06:54:50 +0000; Virtually all transformers sold today are isolation transformers, in that they do provide isolation between primary and secondary. An 'auto-transformer' does not, but they are quite rare beasts. So f; /archives//html/Amps/2009-12/msg00316.html (8,662 bytes)
14. Re: [Amps] Isolation Transformer (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Mon, 14 Dec 2009 09:43:08 -0500; Your useage ideas are good ones that I follow as well. First a transformer will draw minimal current with no load attached, lets call it a few milliamps, you can measure and determine the actual amou; /archives//html/Amps/2009-12/msg00317.html (11,022 bytes)
15. Re: [Amps] Isolation Transformer (score: 1): Author: Glen Zook <gzook@yahoo.com>; Date: Mon, 14 Dec 2009 07:51:34 -0800 (PST); No! NFPA NEC (National Electrical Code) specifically states that all ground rods must be connected together. Now there are practical situations, like when the r.f. ground, lightning ground, and elect; /archives//html/Amps/2009-12/msg00318.html (8,433 bytes)
16. Re: [Amps] Isolation Transformer (score: 1): Author: maflynn@att.net; Date: Mon, 14 Dec 2009 16:08:57 +0000; Glen is dead on! See the following for the details. NFPA 70 National Electric Code (NEC) Articles 250 (Grounding) and 800 (Communications Circuits), ANSI/TIA/EIA-607, "Commercial Building Grounding a; /archives//html/Amps/2009-12/msg00320.html (10,257 bytes)
17. Re: [Amps] Isolation Transformer (score: 1): Author: "Jim Carr" <n7fcf@hctc.com>; Date: Mon, 14 Dec 2009 11:03:42 -0800; At least two rods driven 8ft into the ground composed of either galvanized steel or coper 5/8" in dialmeter or a 3/4" galvanized pipe. Spaced no closer than 6 ft apart, grounded to the service main g; /archives//html/Amps/2009-12/msg00324.html (12,093 bytes)
18. Re: [Amps] Isolation Transformer (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Mon, 14 Dec 2009 14:54:53 -0500; We have heard this story from you before and it is a dangerous one. If you had 103 volts difference between two grounds then there was a problem with the device or the grounding system. NO question a; /archives//html/Amps/2009-12/msg00325.html (14,847 bytes)
19. Re: [Amps] Isolation Transformer (score: 1): Author: "Bill, W6WRT" <dezrat1242@yahoo.com>; Date: Mon, 14 Dec 2009 13:37:21 -0800; ORIGINAL MESSAGE: REPLY: We are drifting off the original topic a bit here, but RF should never be "grounded". RF energy is expensive to generate and should never be wasted by running it through loss; /archives//html/Amps/2009-12/msg00329.html (8,898 bytes)
20. Re: [Amps] Isolation Transformer (score: 1): Author: Glen Zook <gzook@yahoo.com>; Date: Tue, 15 Dec 2009 07:56:59 -0800 (PST); You need to refer to NFPA NEC 810, especially 810-21(f). Glen, K9STH Website: http://k9sth.com Are you confusing grounding and bonding? NEC article? chapter and verse? _______________________________; /archives//html/Amps/2009-12/msg00337.html (8,483 bytes)

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