⏚ Electrical Engineering

HID commercial lights for a garage?

At work we have several 480 volt HID lights we are giving away. I was >told some can be converted with a new transforme...

1 comments posted 16yrs

posted by stryped1

1 comments posted 16yrs posted by stryped1

Energy audits of commercial customers

I have been having a lot of success in performing energy audits to help my commercial customers lower their energy bill...

0 comments posted 17yrs

posted by oatmealrunner

0 comments posted 17yrs posted by oatmealrunner

ultrasonic speed of Co2 laser beam control

Piezo oscillators or ultra-high scan speeds up to 4,000 Hz or 240,000 rpm with commercial air-bearing motors REAL galva...

0 comments posted 17yrs

posted by werner-grosse

0 comments posted 17yrs posted by werner-grosse

Specifications for automotive relays and switches?

Why is this stuff a secret??? Where can I find data sheets or specifications for automotive parts such as relays and sw...

13 comments posted 17yrs

posted by billnomailnospamx

13 comments posted 17yrs posted by billnomailnospamx

Power connection of 7KW induction hob in UK

Can someone advise that the normal method to connect such induction hob to the power supply in the kitchen of UK houses...

6 comments posted 17yrs

posted by NoSpam-Scott.Xe

6 comments posted 17yrs posted by NoSpam-Scott.Xe

A couple more electronic ballast schematics

I reverse engineered a couple more electronic ballasts I came across recently. Both are from those cheap Lights of Amer...

0 comments posted 17yrs

posted by jamesrsweet

0 comments posted 17yrs posted by jamesrsweet

Ultra high scan speed for Co2 laser beam controls

Ultra high scan speed for Co2 and other laser beam controls Technologically performed of Piezo oscillators or ultra hig...

0 comments posted 17yrs

posted by werner-grosse

0 comments posted 17yrs posted by werner-grosse

30A verses 50A Circuit for Clothes Drier

We live in the US and have recently had a new dryer installed. The new dryer has an L-shaped ground as opposed to a fla...

7 comments posted 17yrs

posted by MajorSetback

7 comments posted 17yrs posted by MajorSetback

Power plugs used in EU countries

I am looking for the information on high power plug, i.e. >25A used in EU countries. Thanks, Scott

19 comments posted 17yrs

posted by NoSpam-Scott.Xe

19 comments posted 17yrs posted by NoSpam-Scott.Xe

Oscilloscope Time Interpolator

I'm looking at how to design a digitizing oscilloscope. Sticking an attenuation/gain stage to a fast ADC and an FPGA is...

0 comments posted 17yrs

posted by kmaryan

0 comments posted 17yrs posted by kmaryan

Dimmer switch problem

Hello Group, Here's my situation: I have a five-light fixture on a dimmer switch. It's a single pole, no three-way. All...

5 comments posted 17yrs

posted by artzy

5 comments posted 17yrs posted by artzy

Lightning Protection: What's the 'last word.'

From time to time, I see or do something that renews my interest in lightning protection. For example, last week I was...

8 comments posted 17yrs

posted by jlgilmer

8 comments posted 17yrs posted by jlgilmer

Ultra high speed beam divert technology

Technologically this is performed by means of Piezo oscillators, ultra fast mini scanner up to 6,000 Hz, galvanometer a...

0 comments posted 17yrs

posted by werner-grosse

0 comments posted 17yrs posted by werner-grosse

2 sub pannels?

I am building a detatched garage about 75 feet from my attached garage. I have my main panel and a sub panel beside eac...

42 comments posted 17yrs

posted by stryped1

42 comments posted 17yrs posted by stryped1

funny game for electric engineers

free download on www.theblackoutfilm.com, opinion would be welcome. Not everything fictitious, trees e. g. already cause...

1 comments posted 17yrs

posted by imeco

1 comments posted 17yrs posted by imeco