Electronics Forum / Electrical Engineering / December 2007

Finally figured out why tenant complained that water would turn cold
half thru a shower or bath. I turned temp up on top element and I could
hear the sizzling, Did same on lower and could hear te sizzling. Turned
off breaker as so can remove wires to do Ohm check..Elements ok..put

Perhaps the funny case is the EZ-Bake oven, a toy that has been out for
decades.  It uses a light bulb as a heat source.  It doesn't bake very
well, but I'm certain it will be a whole lot worse with a CFL.
A more serious use of incandescent light bulbs is their use to warm eggs

Perhaps contacting one of the EMC Testing labs such as Elite or DLS could
shed some light on CE marking.  I found using the FCC 47 was most helpful
for getting started.  CISPR 22 standard Class A & B for your product design.
After that you might be on safe footing to go onto CE mark ...

A short list of applicable standards are listed in this FREE preview giving
you some idea of the some of the costs, equipment and procedures involved in
EMC Precompliance Testing.  Link to: http://www.lulu.com/content/1593848

Goedendag ;-)
Scorpion's 40mm statorsize brushless outrunner kits are available, also in
22 and 30mm, and as high-speed versions:
http://www.innov8tivedesigns.com/index.php?cPath=45

I'm feel a bit embarrassed. For the first time in my life I have to change a
strip lighting bulb and I can't do it. The holes in one socket seem to be
out of alignment with the ones in the opposite.
Is there some trick to this? Am I supposed to twist the thing somehow?

Michael Lalonde got a letter bomb from Karl's mum in Germany during an
important business meeting because he felt like it and went for a long walk
through the park. Then Michael Lalonde ran around like a lunatic, he jumped
out of the way as the roof collapsed and with relative ease ...

3
Michael Lalonde got a letter bomb from Karl's mum in Germany during an
important business meeting because he felt like it and went for a long walk
through the park. Then Michael Lalonde ran around like a lunatic, he jumped

Need to figure the power factor for 208v power in our data center.  I
know that 208v power is more efficient than 120v but I want to figure
the power factor in talking with customers.
So here's how we sell it.

I was trained as an engineer, which I chose to pursue
mostly because I recognized that I had a "can do"
approach to problems. When other people said
"can't be done" I was optimistic and said it could,

I have a receptacle box which contains 6 bare ends. Three come in from
the left, and three exit from the right. They are very old, cloth
insulated wire with no coloration (black). I can see that one pair of
them used to have a white coating, and the the line side tests alright

I started to replace a wall switch with an outlet tonight and when I
measured the voltage, I only got 80 volts. I wondered if it might be a warn
out breaker? I've lived here for 23 years....the breaker is probably 35
years old. I was told that they can get weak if they've been ...

I have a switch (european) with four connection points - on one side black &
red and on other side black & blue (marked neutral). Between the last two
connection points is a diode indicator light.
I want to use the switch to connect all my computer perifirals to the wall

Who sells ECM motors (1/4, 1/3 or 1/2 hp) and how much do they cost -
(over-the-counter) ?
Unless I'm wrong, they seem to only be available as integrated into
HVAC systems (furnaces) and maybe only to HVAC

I remember a forum that was related to the Dilbert website that discussed
inventions, how to improve products, and crazy concepts.  Some of the posts
were ridiculous while others were quite serious.  Does anyone remember
reading this?  For some reason it was closed down and I'm ...