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Joined: Jul 2003
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Okay, White, I feel you. I feel your pain. I'm white too.
Here's a specific question. If I'm cutting foam on my hot wire cutter using 5 volts AC (and 3 amps) that's coming out of my 12 volt transformer which is controlled by a 120 volt variac set at 50 volts AC output, what exactly makes that different or safer than controlling my voltage with a variac alone set at 5 volts?
I guess the physical separation of the primary and the secondary doesn't mean there won't be some big amp load if somebody inadvertently contacts the cutting wire.
They say to use a transformer after the variac because it's safer than going off the variac's single wire toroid style transformer for some reason. I believe I can change the size of the fuse in the variac to a smaller amperage rating, so I wonder what it is that makes it safer to run the 2nd transformer after the variac.
And White, read this: "...magnignetic fields cause impeadance..." Where did you learn that? Be nice.
Thanks.
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Entire Thread
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Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/21/05 06:54 PM
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Re: Transformers: mind-boggling, mysterious beasts
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ghost307
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12/21/05 07:06 PM
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Re: Transformers: mind-boggling, mysterious beasts
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BobH
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12/21/05 07:53 PM
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Re: Transformers: mind-boggling, mysterious beasts
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jwhite
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12/21/05 07:53 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/21/05 08:06 PM
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Re: Transformers: mind-boggling, mysterious beasts
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jwhite
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12/21/05 08:53 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/21/05 11:08 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spock
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12/21/05 11:41 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/22/05 12:12 AM
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Re: Transformers: mind-boggling, mysterious beasts
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jwhite
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12/22/05 12:26 AM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/22/05 12:44 AM
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Re: Transformers: mind-boggling, mysterious beasts
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jwhite
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12/22/05 01:37 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Admin
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12/22/05 03:52 AM
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Re: Transformers: mind-boggling, mysterious beasts
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RODALCO
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12/22/05 04:58 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Larry Fine
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12/22/05 05:11 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/22/05 05:13 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/22/05 05:18 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Admin
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12/22/05 05:50 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/22/05 10:49 AM
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Re: Transformers: mind-boggling, mysterious beasts
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winnie
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12/22/05 01:26 PM
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Re: Transformers: mind-boggling, mysterious beasts
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WFO
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12/22/05 02:30 PM
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Re: Transformers: mind-boggling, mysterious beasts
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RODALCO
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12/23/05 08:01 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/23/05 04:10 PM
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Re: Transformers: mind-boggling, mysterious beasts
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SolarPowered
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12/23/05 05:18 PM
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Re: Transformers: mind-boggling, mysterious beasts
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WFO
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12/23/05 07:11 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/23/05 07:44 PM
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Re: Transformers: mind-boggling, mysterious beasts
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WFO
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12/24/05 12:08 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/24/05 12:47 AM
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Re: Transformers: mind-boggling, mysterious beasts
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winnie
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12/24/05 02:29 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Scott35
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12/24/05 02:40 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Scott35
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12/24/05 02:48 AM
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Re: Transformers: mind-boggling, mysterious beasts
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WFO
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12/24/05 03:11 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/24/05 03:24 AM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/24/05 04:06 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Larry Fine
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12/24/05 04:20 AM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/24/05 05:48 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Trumpy
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12/24/05 10:11 AM
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Re: Transformers: mind-boggling, mysterious beasts
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winnie
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12/24/05 01:13 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/24/05 03:31 PM
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Re: Transformers: mind-boggling, mysterious beasts
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iwire
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12/24/05 03:48 PM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/24/05 05:09 PM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/24/05 05:10 PM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/24/05 06:26 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/24/05 06:46 PM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/24/05 07:31 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Dnkldorf
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12/24/05 08:51 PM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/25/05 12:15 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/25/05 12:30 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/25/05 12:32 AM
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Re: Transformers: mind-boggling, mysterious beasts
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WFO
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12/25/05 12:35 AM
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Re: Transformers: mind-boggling, mysterious beasts
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Spark Master Flash
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12/25/05 03:09 AM
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Re: Transformers: mind-boggling, mysterious beasts
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JoeTestingEngr
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12/25/05 04:54 AM
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Posts: 75
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