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<title>&#9178; Electrical Engineering</title>
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<item>
<title>Mains wiring question&#58; flush vs. surface load panel </title>
<link>http://www.polytechforum.com/electrical/mains-wiring-question-flush-vs-surface-load-panel-72687-.htm</link>
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<description><![CDATA[ Installing a charging station in a garage for the new car owner. The charger   is surface&#45;mount.  The easiest install will be surface mount using liquid&#45;tight flex on top of   the sheetrock.   Proble...... The post has 8 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/mains-wiring-question-flush-vs-surface-load-panel-72687-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 13 May 2013 17:22:58 -0400</pubDate>
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<title>Fastest Audio Cable &#45;&#45; Really&#33; </title>
<link>http://www.polytechforum.com/electrical/fastest-audio-cable-really-72676-.htm</link>
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<description><![CDATA[ http&#58;&#47;&#47;www.amazon.com&#47;Denon&#45;AKDL1&#45;Dedicated&#45;Link&#45;Cable&#47;dp&#47;B000I1X6PM  The reviews are quite entertaining. ... The post has 2 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/fastest-audio-cable-really-72676-.htm">discuss here</a> ]]></description>
<pubDate>Wed, 08 May 2013 17:14:36 -0400</pubDate>
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<title>Relay box identification </title>
<link>http://www.polytechforum.com/electrical/relay-box-identification-72669-.htm</link>
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<description><![CDATA[ I&apos;m in the scrap business and I&apos;m trying to identify this box I&apos;ve acquired  . It&apos;s got three timing relays inside of it and encased in windows on the o  utside of the box are two current sensing rel...... The post has 5 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/relay-box-identification-72669-.htm">discuss here</a> ]]></description>
<pubDate>Tue, 07 May 2013 15:46:40 -0400</pubDate>
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<title>Monostable circuit with ne555 </title>
<link>http://www.polytechforum.com/electrical/monostable-circuit-with-ne555-72668-.htm</link>
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<description><![CDATA[ ne555 monostable circuit is very easy to prepare. Now there is online simulation as well as corresponding tutorial.  http&#58;&#47;&#47;www.cirvirlab.com&#47;simulation&#47;ne555&#95;monostable&#95;multivibrator&#95;online.php  htt...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/monostable-circuit-with-ne555-72668-.htm">Start the discussion here</a> ]]></description>
<pubDate>Tue, 07 May 2013 08:01:53 -0400</pubDate>
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<title>Canon MP970 disassembly&#63; </title>
<link>http://www.polytechforum.com/electrical/canon-mp970-disassembly-72666-.htm</link>
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<description><![CDATA[ Need to get to the ink pump &#40;head&#45;cleaning pump&#41;.   How do I get the main plastic casting &#40;what you see when you open the cover   to access the ink cartridges&#41; removed&#63; The pump is under this but I c...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/canon-mp970-disassembly-72666-.htm">Start the discussion here</a> ]]></description>
<pubDate>Sat, 04 May 2013 19:03:00 -0400</pubDate>
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<title>Re&#58; Seeking information on the Basicon MC&#45;1N &#40;INS8073 based&#41; </title>
<link>http://www.polytechforum.com/electrical/re-seeking-information-on-the-basicon-mc-1n-ins8073-based-72664-.htm</link>
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<description><![CDATA[  Hi Ed, I have this Basicon MC&#45;1N in  mint condition and an EEPROM board that plugs into it and 2 parallel I&#47;O boards that also plug into it. I can&apos;t remember what I used it for but I do remember it ...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/re-seeking-information-on-the-basicon-mc-1n-ins8073-based-72664-.htm">Start the discussion here</a> ]]></description>
<pubDate>Thu, 02 May 2013 18:17:40 -0400</pubDate>
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<title>&#91;Tempting offer&#93; New product idea </title>
<link>http://www.polytechforum.com/electrical/tempting-offer-new-product-idea-72658-.htm</link>
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<description><![CDATA[ Hello. Friends.   I&apos;m a electric engineer of Semiconductor and want to share with you about m  y new idea using a smart device.   I have a interesting idea for new product and design.   What do you t...... The post has 6 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/tempting-offer-new-product-idea-72658-.htm">discuss here</a> ]]></description>
<pubDate>Wed, 01 May 2013 03:36:46 -0400</pubDate>
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<title>AT&amp;T model 1725 digital answering service&#45; can be remotely powered on </title>
<link>http://www.polytechforum.com/electrical/at-t-model-1725-digital-answering-service-can-be-remotely-p-72639-.htm</link>
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<description><![CDATA[ I personally witnessed this machine powere on by an incoming phone  call when the unit was plugged in but powered off. The intercom  feature for room listening could also be activated at the same tim...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/at-t-model-1725-digital-answering-service-can-be-remotely-p-72639-.htm">Start the discussion here</a> ]]></description>
<pubDate>Thu, 18 Apr 2013 08:25:03 -0400</pubDate>
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<title>Phasor and time&#45;domain waveforms online </title>
<link>http://www.polytechforum.com/electrical/phasor-and-time-domain-waveforms-online-72638-.htm</link>
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<description><![CDATA[  Phasor representatives of steady state AC signals are very practical for calculating both amplitude and phase of AC signal. Please visit&#58;  http&#58;&#47;&#47;www.cirvirlab.com&#47;simulation&#47;complex&#95;number&#95;phasor&#95;a...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/phasor-and-time-domain-waveforms-online-72638-.htm">Start the discussion here</a> ]]></description>
<pubDate>Wed, 17 Apr 2013 04:10:44 -0400</pubDate>
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<title>ARC fault breakers </title>
<link>http://www.polytechforum.com/electrical/arc-fault-breakers-72629-.htm</link>
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<description><![CDATA[ I know they are now code for most rooms in a house. Is it a good idea to replace the regular circuit breakers in my home with arc faults&#63; Is it ok to install an arc fault on a GFCI circuit&#63; I am thin...... The post has 7 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/arc-fault-breakers-72629-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 08 Apr 2013 14:15:17 -0400</pubDate>
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<title>Wall oven junction box </title>
<link>http://www.polytechforum.com/electrical/wall-oven-junction-box-72608-.htm</link>
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<description><![CDATA[ I am replacing my wife&apos;s wall oven with the same size oven. &#40;24 inch&#41;. The   old oven has been there for at least 12 years.  The directions with the new oven say to put the oven on 2x4 runners. My ol...... The post has 15 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/wall-oven-junction-box-72608-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 01 Apr 2013 10:47:50 -0400</pubDate>
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<title>Mains wiring question&#58; Sizing buck&#45;boost transformer&#63; </title>
<link>http://www.polytechforum.com/electrical/mains-wiring-question-sizing-buck-boost-transformer-72594-.htm</link>
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<description><![CDATA[ In USA.  Source&#58; 208v, 60 hz, 2&#45;wire &#40;2 phases from 3 phase Y supply&#41;. Load&#58; 240v,   20A.  I presumed that sizing a buck&#45;boost transformer is simple KVA math &#40;source   volts * load amps&#41;. But...  Thi...... The post has 9 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/mains-wiring-question-sizing-buck-boost-transformer-72594-.htm">discuss here</a> ]]></description>
<pubDate>Fri, 29 Mar 2013 15:59:34 -0400</pubDate>
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<title>Pool Heater Nuisance Tripping </title>
<link>http://www.polytechforum.com/electrical/pool-heater-nuisance-tripping-72558-.htm</link>
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<description><![CDATA[ I have a pool water tankless instant heater that has two elements,  each fed by a 220v 40amp double breaker.  When I measure the current to each element it is around 35amps.  When I check the heater ...... The post has 15 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/pool-heater-nuisance-tripping-72558-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 25 Mar 2013 10:14:33 -0400</pubDate>
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<title>Electrical outlet question </title>
<link>http://www.polytechforum.com/electrical/electrical-outlet-question-72556-.htm</link>
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<description><![CDATA[ I need to add a gfi outlet to my wifes bathroom. I want to add it to the cu  rrent light switch box. This box currently has two switches, one for the fa  n,light and one for the vanity light. Each sw...... The post has 5 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/electrical-outlet-question-72556-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 25 Mar 2013 09:15:13 -0400</pubDate>
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<title>How to replace LMG7420 &#40;Toshiba T6963c&#41; with LMG7420 &#40;RA6963L2NA &#41;</title>
<link>http://www.polytechforum.com/electrical/how-to-replace-lmg7420-toshiba-t6963c-with-lmg7420-ra6963-72554-.htm</link>
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<description><![CDATA[ i have a machine working with LMG7420PLFC&#45;X &#40;Toshiba T6963C&#41; when this LCD become faulty , i bought another one but unfortunately , it was LMG7420PLFC&#45;X &#40;RA6963L2NA &#41; , after i connected it to the ma...... The post has 1 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/how-to-replace-lmg7420-toshiba-t6963c-with-lmg7420-ra6963-72554-.htm">discuss here</a> ]]></description>
<pubDate>Sat, 23 Mar 2013 07:27:18 -0400</pubDate>
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<title>A new way to display your Excel calculations </title>
<link>http://www.polytechforum.com/electrical/a-new-way-to-display-your-excel-calculations-72553-.htm</link>
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<description><![CDATA[ Hi,  I would like to share with you a new handy Excel add&#45;in that transforms for  mulas into easy&#45;to&#45;read graphical images. This is to provide a clear visual  isation on your spreadsheet calculations...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/a-new-way-to-display-your-excel-calculations-72553-.htm">Start the discussion here</a> ]]></description>
<pubDate>Fri, 22 Mar 2013 04:40:25 -0400</pubDate>
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<title>Ground&#63; </title>
<link>http://www.polytechforum.com/electrical/ground-72542-.htm</link>
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<description><![CDATA[ This is a segment of a schematic of a Yamaha receiver&#58;  http&#58;&#47;&#47;www.tinyuploads.com&#47;images&#47;8LzeOF.jpg  My question is about the 4 diodes in mid screen, 2 pairs, each pair   back&#45;to&#45;back.   What purpos...... The post has 3 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/ground-72542-.htm">discuss here</a> ]]></description>
<pubDate>Thu, 14 Mar 2013 02:51:04 -0400</pubDate>
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<title>Lilfe in the slow &#40;repair&#41; lane. </title>
<link>http://www.polytechforum.com/electrical/lilfe-in-the-slow-repair-lane-72573-.htm</link>
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<description><![CDATA[ I need a rant...    Is hardware becoming more complicated, users becoming more clueless,  or both.  I get a panic call from a customer announcing that her HP Envy ink jet  printer refuses to print fr...... The post has 18 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/lilfe-in-the-slow-repair-lane-72573-.htm">discuss here</a> ]]></description>
<pubDate>Thu, 28 Feb 2013 21:55:56 -0500</pubDate>
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<title>Dimming low power light bulbs </title>
<link>http://www.polytechforum.com/electrical/dimming-low-power-light-bulbs-72536-.htm</link>
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<description><![CDATA[ I know one can dim filament bulbs with triacs &#40;or similar&#41;.  I think I know that one used not to be able to dim fluorescent lamps by  the same or similar means.  But can one dim low power lamps &#95;of s...... The post has 2 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/dimming-low-power-light-bulbs-72536-.htm">discuss here</a> ]]></description>
<pubDate>Wed, 27 Feb 2013 18:03:08 -0500</pubDate>
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<title>Charge gel cell with car charger&#63; </title>
<link>http://www.polytechforum.com/electrical/charge-gel-cell-with-car-charger-72540-.htm</link>
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<description><![CDATA[ A friend has a battery powered Ryobi lawn trimmer &#40;weed whacker&#41; which   doesn&apos;t work. The 12vdc wall wart puts out only &#37; 12.4v.  I charged the lead&#45;acid gel cell using a car charger. The charge rat...... The post has 32 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/charge-gel-cell-with-car-charger-72540-.htm">discuss here</a> ]]></description>
<pubDate>Sun, 24 Feb 2013 03:06:18 -0500</pubDate>
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<title>Crystal load&#63; </title>
<link>http://www.polytechforum.com/electrical/crystal-load-72442-.htm</link>
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<description><![CDATA[ I&apos;m ordering a 2&#45;pin crystal &#40;8.86723 MHz&#41; and need to specify the load.   A little help calculating this, please&#63;  http&#58;&#47;&#47;www.tinyuploads.com&#47;images&#47;yr8Paq.jpg  Thanks&#33; ... The post has 41 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/crystal-load-72442-.htm">discuss here</a> ]]></description>
<pubDate>Tue, 12 Feb 2013 15:27:56 -0500</pubDate>
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<title>PCB prototyping &quot;short film&quot; </title>
<link>http://www.polytechforum.com/electrical/pcb-prototyping-short-film-72441-.htm</link>
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<description><![CDATA[ That&apos;s me&#33;  http&#58;&#47;&#47;www.youtube.com&#47;watch&#63;v&#61;N6YoH88CDRo  The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/pcb-prototyping-short-film-72441-.htm">Start the discussion here</a> ]]></description>
<pubDate>Tue, 12 Feb 2013 14:01:22 -0500</pubDate>
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<title>Powering 2 2.8V1.68A motors&#63; </title>
<link>http://www.polytechforum.com/electrical/powering-2-2-8v1-68a-motors-72435-.htm</link>
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<description><![CDATA[ Afternoon all,  I&apos;m working on a project where 2 motors will drive string on either side of a pen to draw something on X and Y.  I need a power source though and want to get it right. The two motors ...... The post has 2 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/powering-2-2-8v1-68a-motors-72435-.htm">discuss here</a> ]]></description>
<pubDate>Sat, 02 Feb 2013 18:09:34 -0500</pubDate>
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<title>This is just funny </title>
<link>http://www.polytechforum.com/electrical/this-is-just-funny-72434-.htm</link>
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<description><![CDATA[ Bought a cheap PWM controller for a 24VDC motor off of Ebay for some &#36;10.  Besides an design that is either amateurish or intentionally over&#45;robust &#40;i  .e. using components that are way oversized for...... The post has 1 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/this-is-just-funny-72434-.htm">discuss here</a> ]]></description>
<pubDate>Sat, 02 Feb 2013 13:05:01 -0500</pubDate>
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<title>Crystal frequency for monochrome video signal&#63; </title>
<link>http://www.polytechforum.com/electrical/crystal-frequency-for-monochrome-video-signal-72433-.htm</link>
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<description><![CDATA[ 80&apos;s vintage German printing equipment &#40;offset press industry&#41; uses a video   plug&#45;in card &#40;made by the manufacturer of this equipment&#41; to generate   parameter display for the operator. The display i...... The post has 4 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/crystal-frequency-for-monochrome-video-signal-72433-.htm">discuss here</a> ]]></description>
<pubDate>Wed, 30 Jan 2013 17:26:46 -0500</pubDate>
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<title>Dranetz 626 plug&#45;ins </title>
<link>http://www.polytechforum.com/electrical/dranetz-626-plug-ins-72426-.htm</link>
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<description><![CDATA[ There are many different models of 626 power disturbance monitors, from the   vanilla 626, and from the 626A through 626G &#40;as far as Mr. Google can tell   me&#41;.  I&apos;m interested to discover what the G ...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/dranetz-626-plug-ins-72426-.htm">Start the discussion here</a> ]]></description>
<pubDate>Sun, 20 Jan 2013 03:17:48 -0500</pubDate>
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<title>Electronic fireflies </title>
<link>http://www.polytechforum.com/electrical/electronic-fireflies-72400-.htm</link>
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<description><![CDATA[ My wife bought some of these and they are actually pretty cool but  expensive for what they are.  The operation is there are 6 LEDs on long leads from a small plastic  box and 3vdc coming in  Each li...... The post has 2 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/electronic-fireflies-72400-.htm">discuss here</a> ]]></description>
<pubDate>Thu, 10 Jan 2013 00:16:01 -0500</pubDate>
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<title>Can a JFET be used as a UJT&#63; </title>
<link>http://www.polytechforum.com/electrical/can-a-jfet-be-used-as-a-ujt-72394-.htm</link>
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<description><![CDATA[ The structure of a junction field effect transistor seems to be very   similar to that of unijunction transistor. Schematically, the main   difference seems to be that the JFET is run wit back bias a...... The post has 3 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/can-a-jfet-be-used-as-a-ujt-72394-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 07 Jan 2013 21:40:02 -0500</pubDate>
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<title>Power mains question&#58; wire gauge </title>
<link>http://www.polytechforum.com/electrical/power-mains-question-wire-gauge-72238-.htm</link>
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<description><![CDATA[ Air compressor 1&#47;2 hp motor rated 220v &#40;2&#45;wire, not 3&#45;phase&#41; &#64; 15A. Distance   from load panel &#37;100 ft &#40;as the conduit runs&#41;.  15A can be handled by 14 gauge, but I&apos;d normally go with 12 gauge due to...... The post has 60 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/power-mains-question-wire-gauge-72238-.htm">discuss here</a> ]]></description>
<pubDate>Fri, 28 Dec 2012 18:41:08 -0500</pubDate>
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<title>It&apos;s that time of the year again.... &#40;woof&#33; yapyapyap&#33;&#41; </title>
<link>http://www.polytechforum.com/electrical/it-s-that-time-of-the-year-again-woof-yapyapyap-72237-.htm</link>
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<description><![CDATA[ On the first day of Xmas, Scottie went out in his backyard and buried...           His beloved Chargers cap with spangles and beads.   On the second day of Xmas, Scottie went out in his backyard and ...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/it-s-that-time-of-the-year-again-woof-yapyapyap-72237-.htm">Start the discussion here</a> ]]></description>
<pubDate>Tue, 18 Dec 2012 16:47:26 -0500</pubDate>
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<title>Electrical Computer Programs Free </title>
<link>http://www.polytechforum.com/electrical/electrical-computer-programs-free-72236-.htm</link>
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<description><![CDATA[ I am the author of about 30 programs.  Some run in JavaScript others are Visual Basic 2010 Applications that run in Windows.  Right now they are free and have been for several years.  They are at htt...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/electrical-computer-programs-free-72236-.htm">Start the discussion here</a> ]]></description>
<pubDate>Tue, 18 Dec 2012 00:24:23 -0500</pubDate>
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<title>How to read code from P87C750&#63; </title>
<link>http://www.polytechforum.com/electrical/how-to-read-code-from-p87c750-72201-.htm</link>
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<description><![CDATA[ Obsolete data controller from defunct company uses this Philips ucontroller.   Units are failing and customer has the option of either throwing out all his   infrastructure when these units fail and ...... The post has 36 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/how-to-read-code-from-p87c750-72201-.htm">discuss here</a> ]]></description>
<pubDate>Fri, 14 Dec 2012 15:22:31 -0500</pubDate>
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<title>Wiring problem </title>
<link>http://www.polytechforum.com/electrical/wiring-problem-72188-.htm</link>
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<description><![CDATA[ Hello,  I&apos;m trying to change some light switches for PIW switches so they come on   when my disabled brother walks into the room.  My problem is that the PIW switches require a live in, a live out an...... The post has 13 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/wiring-problem-72188-.htm">discuss here</a> ]]></description>
<pubDate>Wed, 12 Dec 2012 11:12:46 -0500</pubDate>
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<title>infra red timer </title>
<link>http://www.polytechforum.com/electrical/infra-red-timer-72173-.htm</link>
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<description><![CDATA[ Hi,   All my air conditioners only allow me to set up on ON&#47;OFF time. This means that I cannot set it up, for instance to turn from 2am to 3am and from 5am to 6am, for example.   Is there any infrare...... The post has 7 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/infra-red-timer-72173-.htm">discuss here</a> ]]></description>
<pubDate>Fri, 30 Nov 2012 05:53:47 -0500</pubDate>
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<title>Are there any new inventions for converting solar power to electricity</title>
<link>http://www.polytechforum.com/electrical/are-there-any-new-inventions-for-converting-solar-power-to-e-72167-.htm</link>
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<description><![CDATA[ I heard from a friend that somebody made an instrument&#47;component that multiplies current. This thing takes whatever kind of current available, 110, DC voltage, solar power, and boosts what  electrica...... The post has 1 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/are-there-any-new-inventions-for-converting-solar-power-to-e-72167-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 22 Oct 2012 15:43:18 -0400</pubDate>
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<title>Electrical Design Engineering Books for cable tray,Small Power,Lighting and Fire Alarm </title>
<link>http://www.polytechforum.com/electrical/electrical-design-engineering-books-for-cable-tray-small-pow-72163-.htm</link>
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<description><![CDATA[ Dear Sir,            I need pdf file for Electrical Design Engineering Books for cable trays,Small Power,Lighting and Fire Alarm The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/electrical-design-engineering-books-for-cable-tray-small-pow-72163-.htm">Start the discussion here</a> ]]></description>
<pubDate>Sun, 07 Oct 2012 05:58:12 -0400</pubDate>
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<title>need manual for power transformer p&#47;n 129366 please</title>
<link>http://www.polytechforum.com/electrical/need-manual-for-power-transformer-p-n-129366-please-72160-.htm</link>
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<description><![CDATA[ need manual for power transformer spec. no. 53978, serial no 11022&#45;6,  k &amp; t part no. 129366 , 42.5 kvaThe post does not have replies yet. <a href="http://www.polytechforum.com/electrical/need-manual-for-power-transformer-p-n-129366-please-72160-.htm">Start the discussion here</a> ]]></description>
<pubDate>Fri, 05 Oct 2012 11:44:50 -0400</pubDate>
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<title>Open faculty positions &#40;Saudi Arabia&#41; </title>
<link>http://www.polytechforum.com/electrical/open-faculty-positions-saudi-arabia-72158-.htm</link>
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<description><![CDATA[ Faculty positions are open for qualified PhD holders. College of Engineerin  g has open faculty positions in mechanical engineering, civil engineering,   electrical engineering, and computer engineer...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/open-faculty-positions-saudi-arabia-72158-.htm">Start the discussion here</a> ]]></description>
<pubDate>Fri, 28 Sep 2012 01:27:48 -0400</pubDate>
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<title>Precise location sensor </title>
<link>http://www.polytechforum.com/electrical/precise-location-sensor-72151-.htm</link>
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<description><![CDATA[ Does anyone know of a technology, module, chip that can do precise location&#61;  determination... I need something that can get 4cm &#40;centimeters&#41; or better repeatable &#40;not a&#61; bsolute&#41; location accuracy,...... The post has 3 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/precise-location-sensor-72151-.htm">discuss here</a> ]]></description>
<pubDate>Sat, 22 Sep 2012 13:36:47 -0400</pubDate>
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<title>Connecting 230V to a Double 115V Transformer </title>
<link>http://www.polytechforum.com/electrical/connecting-230v-to-a-double-115v-transformer-72146-.htm</link>
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<description><![CDATA[ I have a chassis mount transformer, 50VA 12V output, the input has four  terminals, left to right&#58; 0 &#45; 115V  0 &#45; 115V How do I connect 230V to this, do I connect neutral to the 0 on the left,  link f...... The post has 5 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/connecting-230v-to-a-double-115v-transformer-72146-.htm">discuss here</a> ]]></description>
<pubDate>Sat, 22 Sep 2012 08:45:45 -0400</pubDate>
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<title>Flickering Lights on Different Circuits </title>
<link>http://www.polytechforum.com/electrical/flickering-lights-on-different-circuits-72140-.htm</link>
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<description><![CDATA[ I have several different circuits, connected to the same panel on different breakers, that are flickering while turned on.   Some of these are fluorescent bulbs and others are LED.   They will come o...... The post has 5 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/flickering-lights-on-different-circuits-72140-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 17 Sep 2012 22:40:23 -0400</pubDate>
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<title>Speaker Resistance &#63; </title>
<link>http://www.polytechforum.com/electrical/speaker-resistance-72128-.htm</link>
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<description><![CDATA[ Hello, Not an E.E., so please bear with me a bit. Have a 2 dia speaker in kid&apos;s toy. Seem like it doesn&apos;t work, but hard to get to, to verify. It says 8 ohms. I imagine that this is the Z, and not th...... The post has 12 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/speaker-resistance-72128-.htm">discuss here</a> ]]></description>
<pubDate>Tue, 04 Sep 2012 18:21:09 -0400</pubDate>
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<title>looking for a bulb </title>
<link>http://www.polytechforum.com/electrical/looking-for-a-bulb-72075-.htm</link>
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<description><![CDATA[ I&apos;ve searched many sites, and I&apos;m looking for a light bulb that meets  certain specs, I&apos;m hoping somebody here can help me find it. I&apos;m looking for an LED bulb that fits ordinary &#40;United States&#41; fixt...... The post has 2 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/looking-for-a-bulb-72075-.htm">discuss here</a> ]]></description>
<pubDate>Sat, 21 Jul 2012 05:14:34 -0400</pubDate>
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<title>Handheld Lineman Test Eqpt </title>
<link>http://www.polytechforum.com/electrical/handheld-lineman-test-eqpt-72072-.htm</link>
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<description><![CDATA[ Hello, all, especially any power linemen who work near live &#40;hot&#41; medium  voltage &#40;1&#45;50 kV&#41; power distribution lines.  What handheld test gear  &#40;VOMs, etc&#41; do you folks take aloft when you work on tr...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/handheld-lineman-test-eqpt-72072-.htm">Start the discussion here</a> ]]></description>
<pubDate>Thu, 05 Jul 2012 12:42:48 -0400</pubDate>
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<title>Isolation transformer </title>
<link>http://www.polytechforum.com/electrical/isolation-transformer-72066-.htm</link>
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<description><![CDATA[ Hi&#33; I have a question regarding the use of isolation transformers in  control cabinets. I have seen many diagrams in which an isolation  transformer is used to provide 230V AC control voltage althoug...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/isolation-transformer-72066-.htm">Start the discussion here</a> ]]></description>
<pubDate>Mon, 18 Jun 2012 19:49:40 -0400</pubDate>
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<title>Rechargeable hearing aid cells&#63; </title>
<link>http://www.polytechforum.com/electrical/rechargeable-hearing-aid-cells-72065-.htm</link>
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<description><![CDATA[ I am relatively new to hearing aids. It seems that the default primary  cell is a zinc&#45;air cell. Output is at1.4 or 1.45 volts. The size  designatgion is 312. My hearing aids came with rechargeable c...... The post has 3 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/rechargeable-hearing-aid-cells-72065-.htm">discuss here</a> ]]></description>
<pubDate>Thu, 14 Jun 2012 00:08:58 -0400</pubDate>
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<title>after discussing about church </title>
<link>http://www.polytechforum.com/electrical/after-discussing-about-church-72064-.htm</link>
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<description><![CDATA[ Hi Folks After analyzing the church and its links with the mercy force, it is  mandatory to extend the work to the understanding of the mercy with  appropriate experience Peace be with youThe post does not have replies yet. <a href="http://www.polytechforum.com/electrical/after-discussing-about-church-72064-.htm">Start the discussion here</a> ]]></description>
<pubDate>Wed, 13 Jun 2012 14:27:25 -0400</pubDate>
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<title>Electrician in New york, landscape lighting Nyc </title>
<link>http://www.polytechforum.com/electrical/electrician-in-new-york-landscape-lighting-nyc-72053-.htm</link>
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<description><![CDATA[ A New York electrician can repair or replace circuit breakers, cables, fuses, switches or almost any electronic and electrical parts found around your house or apartment.http&#58;&#47;&#47;goo.gl&#47;p3q6o... The post has 1 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/electrician-in-new-york-landscape-lighting-nyc-72053-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 04 Jun 2012 03:31:42 -0400</pubDate>
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<title>A few transmission line equipment questions </title>
<link>http://www.polytechforum.com/electrical/a-few-transmission-line-equipment-questions-72038-.htm</link>
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<description><![CDATA[ Hello, I have a few more questions about equipment I&apos;ve seen on transmission lines. I googled a bit but was not able to confirm my guesses, so I came to you guys.  Here are my questions&#58; Q1&#58; Is this ...... The post has 7 replies so far. Read more and <a href="http://www.polytechforum.com/electrical/a-few-transmission-line-equipment-questions-72038-.htm">discuss here</a> ]]></description>
<pubDate>Mon, 14 May 2012 15:40:11 -0400</pubDate>
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<title>ESD Tiles </title>
<link>http://www.polytechforum.com/electrical/esd-tiles-72036-.htm</link>
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<description><![CDATA[ Now buy soldering iron and pump at best price from blue sky system online in india, it is a place from where you can order soldering iron and pump online in india. To know more about us please visit&#58;...The post does not have replies yet. <a href="http://www.polytechforum.com/electrical/esd-tiles-72036-.htm">Start the discussion here</a> ]]></description>
<pubDate>Wed, 09 May 2012 01:59:49 -0400</pubDate>
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