⏚ Electrical Engineering

Another electrical arc on youtube

This one is pretty interesting. The antenna switch gear from a high power transmitter fails and causes a destructive ar...

1 comments posted 19yrs

posted by nospam

1 comments posted 19yrs posted by nospam

Electric range burner control

GE makes a precise control model that you are discussing. The power stays on constantly but at a lower wattage, as oppo...

0 comments posted 19yrs

posted by mpetrillo14201

0 comments posted 19yrs posted by mpetrillo14201

Street Light Fuse

Hi all, I'm updating a row of 10 street lights. New fittings are 150W Metal Halide. I was wondering... Cut off (when op...

1 comments posted 19yrs

posted by shayglenn

1 comments posted 19yrs posted by shayglenn

regarding Induction type over current relay

hello, why the rotating alluminium disk of induction type over current relay's surface is rough or dotted? and why its s...

3 comments posted 19yrs

posted by hitesh.30878

3 comments posted 19yrs posted by hitesh.30878

Question about D-flop

I'm looking at a datasheet for a CD4013BC D-flip flop. The current for a high output states -0.36mA @ 5volts Three ques...

3 comments posted 19yrs

posted by private

3 comments posted 19yrs posted by private

Clamp-on meter sensor

Hi, I have a meter that monitors electrical energy use using a clamp on sensor. The result is transmitted wirelessly to...

3 comments posted 19yrs

posted by remcg

3 comments posted 19yrs posted by remcg

EExed distribution panel, big project!

Dear friends, Can anyone tell me except R.Stahl, CEAG and ATX, is there any manufacturer producing EExde MCB? There's a...

0 comments posted 19yrs

posted by epmd0220

0 comments posted 19yrs posted by epmd0220

power strip phone jack

Is there a better way to provide surge protection for my pc modem than the phone jack built into a power strip. The phon...

14 comments posted 19yrs

posted by djdieterle

14 comments posted 19yrs posted by djdieterle

Car and Deep Cycle (including SLA) Battery FAQ

The Car and Deep Cycle Battery FAQ Web pages have been moved. They are located at http://www.batteryfaq.org/. The lates...

1 comments posted 19yrs

posted by info

1 comments posted 19yrs posted by info

Oxyacetylene Fires, Ionization, and EMI

Hi: An oxyacetylene flame -- due to its high temperature -- can cause nearby air molecules to ionize. Does this ionizat...

8 comments posted 19yrs

posted by glucegen1

8 comments posted 19yrs posted by glucegen1

- Electricial ....Is this legal?

My sister has a new pool. The pump is plug connected. Of course, I get the job of installing the GFCI outlet. I want to...

12 comments posted 19yrs

posted by Kilowatt

12 comments posted 19yrs posted by Kilowatt

3-speed fan motor

I notice that a lot of fans, including all I have recently bought, have 3 speeds controlled by a switch. So I was wonde...

9 comments posted 19yrs

posted by phil-news-nospam

9 comments posted 19yrs posted by phil-news-nospam

PS transf. to heat sink glue?

Fixed a 26" Gateway LCD TV/monitor (bad solder joint in the SMPS). But exposing the component side of the power supply...

24 comments posted 19yrs

posted by SparkyGuy

24 comments posted 19yrs posted by SparkyGuy

Group Theory and Network Analysis

Does anyone know any literature on work done on using Group Theory to analyze networks. The work is probably pretty old...

0 comments posted 19yrs

posted by pwung

0 comments posted 19yrs posted by pwung

Flatbed printer mod

I have built a flatbed printer from an old Epson Stylus 640 but need to fool the printer into thinking there is paper i...

1 comments posted 19yrs

posted by dave,pittam

1 comments posted 19yrs posted by dave,pittam