⏚ Electrical Engineering

Panelmount switches: how many ONs and OFFs?

Hi all, I have some troubles with an electrical plant and I have to turn electricity on and off many times per day from...

3 comments posted 17yrs

posted by qmu

3 comments posted 17yrs posted by qmu

your preference for large number of computers, 120V or 240V

If you are building a data center for a large number of computers (lots of PCs and server sized PCs, with all the netwo...

15 comments posted 17yrs

posted by phil-news-nospam

15 comments posted 17yrs posted by phil-news-nospam

FCC approves 'white space' for broadband

FCC approves 'white space' for broadband By Leslie Cauley, USA TODAY The Federal Communications Commission, as expected...

1 comments posted 17yrs

posted by kilowatt

1 comments posted 17yrs posted by kilowatt

Compressor ground problems

We have three 1500 cfm compressors. Two were installed together and have identical Siemens circuit breakers (800Amp) sh...

5 comments posted 17yrs

posted by tkarig

5 comments posted 17yrs posted by tkarig

Pressure Transducer Calibration Kit for High Pressure Oxygen Systems

Hi! I am looking for a pressure transducer calibration kit that I can use to verify the calibration of pressure transdu...

5 comments posted 17yrs

posted by shadrack

5 comments posted 17yrs posted by shadrack

Ancient home like the Munsters with vines wrapped around the service lead

Are these vines against NEC or other code - should they be removed from the drop as it connects to and runs down the sid...

2 comments posted 17yrs

posted by ckozicki

2 comments posted 17yrs posted by ckozicki

Harmonic currents in low voltage power system (400V)

In low voltage power system, harmonic currents can occur from rectifiers and some others electrical componets. I have f...

1 comments posted 17yrs

posted by s042358

1 comments posted 17yrs posted by s042358

Secret Service radio Jamming??

Does anyone know if the Secret Service is Jamming the airwaves when escorting the candidates through Florida? This afte...

3 comments posted 17yrs

posted by Rhyolite

3 comments posted 17yrs posted by Rhyolite

Silicon & Corrosion

Before, whenever I spliced any wires that required shrink tubing, I always soldered and used shrink tubing that had a s...

3 comments posted 17yrs

posted by thor44

3 comments posted 17yrs posted by thor44

Crane Automation

Dear Friends, May I get help for Crane Automation? I m in India, Mumbai If you have any idea concept or info pls let me...

0 comments posted 17yrs

posted by arunravan

0 comments posted 17yrs posted by arunravan

New drill 1100 W @ 230 V

Hi everyone, as the subject line implies, I got this drill recently and works like a dream:-) It's chinese, of course,...

2 comments posted 17yrs

posted by noone

2 comments posted 17yrs posted by noone

Are engineering certifications useful

I have been working on new blog called www.qualifiedengineer.com which is focused on assessing engineering certificatio...

40 comments posted 17yrs

posted by sharkoil

40 comments posted 17yrs posted by sharkoil

65 Kva Mawdsley Alternator

I have had a very big 3 phase 415v 50 c/s alternator for years now and at last I need to put it into service. It was ma...

0 comments posted 17yrs

posted by georgewbell

0 comments posted 17yrs posted by georgewbell

Al Magnet Wire Motors

Now that my utility is calling Cu a "precious metal" in its anti-wire theft campaign what is the status of Al wound mot...

6 comments posted 17yrs

posted by BretCahill

6 comments posted 17yrs posted by BretCahill

Sony Trinitron Wega 27-inch sync question

Is it possible to have audio and video sync problems on a TV? At times I think the sync is off because the audio doesn'...

3 comments posted 17yrs

posted by nobody

3 comments posted 17yrs posted by nobody