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The most recent discussions

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 »

How is one volt defined?

  [ 2 ]
December 31, 2016, 2:00 pm

Just curious about it. Does every country have its own devices to calibrate one volt in meters? -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v Simplicity is B... Read more »

Abraham-Ada's Method


November 12, 2016, 9:42 pm

Abraham-Ada's Method /*********************************************************/ Hi, folks. Do you know how to vote when you DON'T like either candidates, Richard and Thomas? Yes, you are right.... Read more »

Re: D < H


November 10, 2016, 1:10 am

On Wed, 9 Nov 2016 10:49:01 -0800 (PST), Chanzhaiming Chan Well said! Read more »

HDMI, DVI standard, adaptability?


November 8, 2016, 6:50 am

I see plenty of DVI-to-HDMI and HDIM-to-DVI adapters to be purchased. Are these standards equally convertible without losing fidelity (manufacturing quality issues aside)? Are such adapters simply... Read more »

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The best rated discussions

Why is EE education mainly glorified math? rating: 5

  [ 2 3 ]

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 »

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 »

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 »

Motor bogging down rating: 5

The application of the motor is on a hydraulic lift. Originally the unit had a 15hp motor. Line voltage is 485v 3 phase. Someone at our company, decided to order a new pump unit, and ordered a unit... 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 »

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 »

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 »

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 »

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 »

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 »

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