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From: mpm on 23 Jul 2010 15:31 On Jul 23, 9:06 am, "Jon" <jon8...(a)peoplepc.com> wrote: > I need a way to test if there is current in the Service BEFORE it reaches > the Main Disconnect. I could put a relay coil across it, but I need a > better, safer more reliable way. Does anyone know? > > http://jons-math.bravehost.com/transfer.html Duh!? - Use a voltmeter. If the voltage is there, the current will flow. See generally, Ohms law. Better yet, get a real transfer switch. Or at the bare minimum, a hefty life insurance policy and solid legal representation for when you kill the neighbors with your homebrew project. -mpm
From: Jon on 24 Jul 2010 00:23 Can anyone tell me why this works? http://jons-math.bravehost.com/eandpi.html I deduced it qualitatively. How can you prove it? "mpm" <mpmillard(a)aol.com> wrote in message news:de0f1f16-917b-42f8-aae1-5a6a7ed9ce3f(a)f6g2000yqa.googlegroups.com... On Jul 23, 9:06 am, "Jon" <jon8...(a)peoplepc.com> wrote: > I need a way to test if there is current in the Service BEFORE it reaches > the Main Disconnect. I could put a relay coil across it, but I need a > better, safer more reliable way. Does anyone know? > > http://jons-math.bravehost.com/transfer.html Duh!? - Use a voltmeter. If the voltage is there, the current will flow. See generally, Ohms law. Better yet, get a real transfer switch. Or at the bare minimum, a hefty life insurance policy and solid legal representation for when you kill the neighbors with your homebrew project. -mpm
From: Robert Baer on 24 Jul 2010 03:40 Jon wrote: > I need a way to test if there is current in the Service BEFORE it > reaches the Main Disconnect. I could put a relay coil across it, but I > need a better, safer more reliable way. Does anyone know? > > http://jons-math.bravehost.com/transfer.html > > You say "current", then contradict yourself "put a relay coil across it".. So i ask: CURRENT (drawn by a load), or VOLTAGE (available to the load)?
From: PeterD on 24 Jul 2010 08:02 On Sat, 24 Jul 2010 00:40:55 -0700, Robert Baer <robertbaer(a)localnet.com> wrote: >Jon wrote: >> I need a way to test if there is current in the Service BEFORE it >> reaches the Main Disconnect. I could put a relay coil across it, but I >> need a better, safer more reliable way. Does anyone know? >> >> http://jons-math.bravehost.com/transfer.html >> >> > You say "current", then contradict yourself "put a relay coil across >it".. > So i ask: CURRENT (drawn by a load), or VOLTAGE (available to the load)? Please stop asking Jon questions that he doesn't or can't understand... <g>
From: krw on 24 Jul 2010 11:44 On Sat, 24 Jul 2010 08:02:42 -0400, PeterD <peter2(a)hipson.net> wrote: >On Sat, 24 Jul 2010 00:40:55 -0700, Robert Baer ><robertbaer(a)localnet.com> wrote: > >>Jon wrote: >>> I need a way to test if there is current in the Service BEFORE it >>> reaches the Main Disconnect. I could put a relay coil across it, but I >>> need a better, safer more reliable way. Does anyone know? >>> >>> http://jons-math.bravehost.com/transfer.html >>> >>> >> You say "current", then contradict yourself "put a relay coil across >>it".. >> So i ask: CURRENT (drawn by a load), or VOLTAGE (available to the load)? > >Please stop asking Jon questions that he doesn't or can't >understand... <g> Oh, he understands "feeding the troll".
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