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The most recent discussions

Who can tell me how much about one set 3T induction furnace?


May 8, 2017, 8:11 am

Hello,sir or madam, Do anybody know 3 ton capacity 6 rectifier 12 pulse;steel shell;cast iron melting furnace ballpark estimate? Plan to machine tool manufacturing. Thanks. Read more »

Question about Door Bell Wiring


May 8, 2017, 3:20 am

I need a second doorbell in the garage shop. There is only one button (at the front door). The transformer is in the garage where I need the second bell and only has 2 wires connected to it. I wo... Read more »

Help with wiring zwave switch for water heater (240V)


May 1, 2017, 4:30 pm

Moin, I hope this is a suitable group for this kind of question. If no, suggestions are welcome. I'd like to automate our storage/tank water heater using some home automation system using zWave. ... Read more »

What is going on here (electrically)?


April 24, 2017, 5:22 am

In Philadelphia, the electrical distribution system has many configurations similar to these: https://goo.gl/maps/CFTdNYGoY9F2 https://goo.gl/maps/v9BmSQwtUWF2 Two transformer cans on a pole. No... Read more »

Electrical Safety Month


April 21, 2017, 2:31 am

Got the heads up from this groups website on social media. https://www.thunderclap.it/projects/56011-support-electrical-safety?locale=en * Stay Safe * R.Q.T. Read more »

Microwave oven woes...


April 7, 2017, 2:53 pm

A client left a faulty microwave oven at my friend's shop, I opened it up and first thing I checked was, of course the HV fuse. It was open so a new one. Nothing. Checked with my HV probe, at the... Read more »

DC Motor


March 31, 2017, 7:11 pm

On older[30 to 50 years] field wound DC motors the field voltage was 90 volts. Why 90 volts and how was it derived? Thamks, CP Read more »

MV Power Factor Meters/Measurement


March 31, 2017, 3:42 pm

Hello, all, especially power engineers that plan MV distribution runs for electric utilities. Say a 12470/7200 volt medium-voltage distrubution system will most likely need power factor correctio... Read more »

Special function in power plants


February 7, 2017, 3:17 pm

DO power plants have a MILITARY function that short-circuit ALL citizens' AC socket? :) -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v Simplicity is Beauty! ... Read more »

To those who think solar panels match demand against load


January 24, 2017, 3:18 am

It's 35 Celsius (95 Farenheit) here, and overcast all day. My air conditioner is definitely not running on solar power. Sylvia. Read more »

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The best rated discussions

question about running electronics off of a portable generator rating: 5

I'm thinking about getting a portable generator and have a couple of questions. First off here are the specs that I have on the generator: 5.5 HP * 3.2 gallons fuel tank * 2200 watt rated output * 2... Read more »

2005 NEC Table 310.16 Online Calculator for electricians and electrical des... rating: 5

I have completed the online Table 310.16 wire size, ocpd, and voltage drop calculator. I can't find anymore bugs but maybe you can. It took me about 10 weeks during the last 10 years to build this ... Read more »

Thermostat for laser printer fuser temp? rating: 5

  [ 2 3 ]

Fuser quit working on my laser printer. Removed the fuser and found that the snap-action bimetallic thermostatic switch for the fuser heating element is open-circuit. I removed it from the fuser an... Read more »

Hot Tub Electrocution rating: 5

Hello everyone, I was wondering if anyone could help me out with a problem I am having. We have one of those portable hot tubs (the kind that you can assemble and reassemble easily). I recently put... Read more »

I know FLA & LRA but what is RES (on contactor label) rating: 5

I've got some contactors that show Full Load Amps and Locked Rotor Amp figures but then they give a RES figure which may be in amps too - not sure. I've asked a couple of guys with no luck. Can on... Read more »

Electric Motor Wiring rating: 5

Hi I have an old Shopsmith Mk VII that all of a sudden wouldn't turn on. I tried replacing the capacitor (didn't help). I think it might be in the switch but no hope of replacing that. One piece s... Read more »

DTV Pal running slow rating: 5

My DTV Pal set top box is starting its scheduled channel changes late. Currently it's running 10 minutes late. I've disabled inactivity standby (which turns it off after certain time without detec... Read more »

NiMH charger recommendations? rating: 5

First of all, this is a request for a *recommendation*, not a request for someone to do Google searches for me. - - - I need a charger for AA, AAA, and 9v batteries. Four of the AA or AAA at a time... Read more »

South Korea 380V Power line colour code rating: 5

Appreciate if anyone can help me. I am looking for information on colour code used in south Korea 380V 3 phase power line. I am used to the BS standard that is red, yellow and blue phase with neutral... Read more »

Why is EE education mainly glorified math? rating: 5

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Of course EE is not about solving glorified math problems. But the EE educational system is set up in such a manner. Most of an EE student's GPA consists of the ability to solve problems on paper fo... Read more »

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