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digital ballasts

Magnetic coil type ballasts are also known to cause the bulb to flicker or strobe. This takes place so quickly that the...
2 comments posted 15yrs
posted by juliaj391
2 comments posted 15yrs posted by juliaj391

electrical

what is difference between the application of variable frequency drive and soft starter for induction motor????
0 comments posted 15yrs
posted by prajapati.amit009
0 comments posted 15yrs posted by prajapati.amit009

why is one charger quicker than the other?

On my phone, the wall charger is twice or 3 times faster than the one in my car. Why? (I'm looking for the technical det...
9 comments posted 15yrs
posted by dukeofurl
9 comments posted 15yrs posted by dukeofurl

Industrial Tables

Buy work stations online in india: now buy work stations at best price from blue sky system online in india, it is a pl...
0 comments posted 15yrs
posted by blueskeysystem
0 comments posted 15yrs posted by blueskeysystem

Tempest / BatterySpec AGM batteries?

As a replacement deep-cycle battery for APC UPS's, I'd like to hear experiences with this brand of battery. I'm looking...
5 comments posted 15yrs
posted by notme
5 comments posted 15yrs posted by notme

How to figure out which motors to choose

Dear All, I hope this posting finds you well. A colleague of mine sent me a question about how to set up a camera jib c...
2 comments posted 15yrs
posted by stpatryck
2 comments posted 15yrs posted by stpatryck

TSN-143 controller card / PLC

Hi all I am talking about this card: http://hot.ee/sonnich/Mvc-307x.jpg It is a PLC. Main question: does anyone have an...
0 comments posted 15yrs
posted by sonnichjensen
0 comments posted 15yrs posted by sonnichjensen

Some of Roy's work?

0 comments posted 15yrs
posted by mike.terrell
0 comments posted 15yrs posted by mike.terrell

OT, Tv tower hinge

First, I hate heights. I have 3 sections of triangle type tower at my house. So, total length is about 30 feet. My idea...
1 comments posted 15yrs
posted by stryped1
1 comments posted 15yrs posted by stryped1

Tree Green Energy Egg

Has anyone had experience with using the Energy Egg? Blair
0 comments posted 15yrs
posted by Darrach
0 comments posted 15yrs posted by Darrach

city vs private sector

Okay guys.. I need some advice from experts.. :-) I have an offer from the Fire Dept as an assistant electrical enginee...
1 comments posted 15yrs
posted by mr.carlos.cifuentes
1 comments posted 15yrs posted by mr.carlos.cifuentes

Pin type insulator threads

Specifically those old style glass telegraph line type insulators. The threads they fit on (usually on wood pins back i...
2 comments posted 15yrs
posted by paul
2 comments posted 15yrs posted by paul

UPS serial port communication

I hope this group is somewhat appropriate. I didn't find a better group for this question. We just got an APC UPS (Smar...
2 comments posted 15yrs
posted by anonymous
2 comments posted 15yrs posted by anonymous