⏚ Electrical Engineering

NEC Code and 'Control Panel Benchboards'

Hi all, We have some control panel bench-boards, built in the mid 1980's. The front is about 8 ft high and 30 ft wide w...

8 comments posted 15yrs

posted by daestrom

8 comments posted 15yrs posted by daestrom

Electrical Panel With Network Monitoring of Individual Circuits?

I have been looking for a long time for an electrical panel with an ethernet jack (or wireless network) that would allo...

1 comments posted 15yrs

posted by persistentone

1 comments posted 15yrs posted by persistentone

Electrical Training

For industrial electrical training, I can recomend two great products. http://www.bin95.com/Industrial-Training-Videos/...

0 comments posted 15yrs

posted by bin95.engineering.education

0 comments posted 15yrs posted by bin95.engineering.education

Transmission Line Tower

We are self sufficient manufacturing and erecting the transmission line Towers, substation / swit yard structures, wind...

0 comments posted 15yrs

posted by thomaswagon

0 comments posted 15yrs posted by thomaswagon

Contant Voltage level

Hi all, Can any one please explain me what does mean constant voltage level? Why it is necessary? when and where exactl...

2 comments posted 15yrs

posted by steggi.cs

2 comments posted 15yrs posted by steggi.cs

Ceramic or Induction heating hobs?

I would like to know the advantages of using an induction hob over a ceramic hob? With any disadvantages. I understand...

4 comments posted 15yrs

posted by Darrach

4 comments posted 15yrs posted by Darrach

Franklin's Kite

Ben Franklin was out in an open field on a windy day trying to get a kite to fly. The kite would bob and weave, but nev...

2 comments posted 15yrs

posted by kilowatt

2 comments posted 15yrs posted by kilowatt

energyEGG

I got an energyEGG from tesco a few months ago and so far it's been the best energy gadget, and funnest, I've bought so...

3 comments posted 15yrs

posted by ssmith1162

3 comments posted 15yrs posted by ssmith1162

Relaxation Oscillator

I have a MM74HCT14 (inverting Schmitt Trigger) being used as a Relaxation Oscillator feeding a 74LVC08A (AND-Gate). I'm...

6 comments posted 15yrs

posted by bostonpeter73

6 comments posted 15yrs posted by bostonpeter73

Ceiling fan not working

I have a remote control fan/light and the fan is not working. Once the light bulb burned out and since the light and fa...

6 comments posted 15yrs

posted by nospam

6 comments posted 15yrs posted by nospam

UPS built into computers

The goal of this question is to only supply power to a computer long enough for it to stay up from a flash blackout. (n...

28 comments posted 15yrs

posted by kilowatt

28 comments posted 15yrs posted by kilowatt

Power Grid Freq Variations To Be Allowed

I smell issues arising with this... http://www.google.com/hostednews/ap/article/ALeqM5giHrMC9wYlOzOkUg9wNC2jVKugkw?docId...

15 comments posted 15yrs

posted by spam

15 comments posted 15yrs posted by spam

Hard circular fluorescent lamp revusured

I replaced the lamp with a new one.So far everything seems o. I did take some measurements. The circular lamps are mad...

1 comments posted 15yrs

posted by SalmonEgg

1 comments posted 15yrs posted by SalmonEgg

Fully Variable Speed Control Unit for Lasko 2155A Window Fan

Hello, I have a Lasko 2155A window fan with integrated 3 speed control unit (links at the end of this post). I want to...

51 comments posted 15yrs

posted by private

51 comments posted 15yrs posted by private

Self-start circular fluorescent lamps

I have a 32 watt fluorescent lamp in a fixture. Lately, its starting has been balky. At first, I thought that the wall...

4 comments posted 15yrs

posted by SalmonEgg

4 comments posted 15yrs posted by SalmonEgg