I have an inexpensive Radio Shack battery tester. This one ...
http://rsk.imageg.net/graphics/product_images/pRS1C-2265632w345.jpg
(except that the needle rests at the bottom of the red - dead zone until
a battery is inserted.)

What does a device like this measure? Volts? Or something else?

Thanks.

Energon (power source)

page at http://en.wikipedia.org/wiki/Energon_%%28power_source%%29

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James Sweet trashmail.net> writes:

The only residential use I've seen are larger window air conditioners.
Other large window A/Cs have 240V plugs.

I've seen some commercial computer equipment with these plugs and I have
a work bench with a power strip of several duplex outlets. The power cord
for the strip is 12/3 with a 20A 120V plug. But neither of these were
for residential use.

RFI-EMI-GUY wrote:

Similar happening in the UK.
<http://www.voltimum.co.uk/news/9428/infopro.whatsnew.latest/Counterfeiting-Alert...>

I am an engineer working for a local radio station. One of our
transmitters has a repeating problem. For no apparent reason, it shuts
itself down, and the fault monitor indicates that an arc has occurred
at the transmitter's built-in arc gap. These appear to be nuisance
problems, as a thorough search has revealed no faulty components, and
the transmitter resets and goes back on the air when an operator
acknowledges the error. It will then run for several hours before the
problem repeats.

I have noticed that the transmitter uses an unusual arc gap design,
unlike any of our other units. The other transmitters use the
traditional round ball style arc gap. This transmitter uses a pipe and
point arc gap. I have constructed these diagrams to better illustrate
the problem.

Top View
http://bayimg.com/hajGBaAbm

Side View
http://bayimg.com/HAjgAAabM

RFI-EMI-GUY wrote:

Thanks Joe.

Being paranoid, and since the source is not the CPSC, I looked at the
CPSC site and found the following recalls of apparently the same
counterfeit SquareD breakers:

5-2008
Specialty Lamp International of Deerfield Beach, Fla. (as above)
371,000 breakers
http://www.cpsc.gov/cpscpub/prerel/prhtml08/08286.html

12-2007
North American Breaker Co. Inc. (NABCO), of Burbank, Calif.
50,000 breakers
http://www.cpsc.gov/cpscpub/prerel/prhtml08/08151.html

10-2007
Connecticut Electric & Switch Mfg. Co. (Connecticut Electric), of
Puyallup, Wash
64,000 breakers
http://www.cpsc.gov/cpscpub/prerel/prhtml08/08054.html

Hello,

Just had a new residential service box installed; replaced a 30 year old
Federal Pacific one which everyone said was not safe.

New box is a GE Powermark Gold Model TLM 2412 CCU (TLM 24 bc)
The box is rated for a 125 amp main breaker, and has spaces for 24 1"
breakers.

Curious about this:

According to the GE info on their site, and the paperwork that came with the
box, the box does not allow for any
1/2" breakers.

Is this simply a case of some model boxes do, and some don't ?

Or, for technical reasons, they are getting away from using 1/2" breakers
anywhere, anymore ?
If so, why ?

It always seemed like a viable approach if one needed another circuit or
two, assuming the capacity of the box was not exceeded.

Might as well also ask this, please.
The Electrician was very hard to talk to, or discuss this with.

http://www.consumeraffairs.com/recalls04/2008/squared.html
--
Joe Leikhim K4SAT
"The RFI-EMI-GUY"©

"Treason doth never prosper: what's the reason?
For if it prosper, none dare call it treason."

"Follow The Money" ;-P

Following are the specifications of an ammeter

Resolution: 0.01mA
Maximum Range: 200mA
Accuracy: plus,minus(2%%+2Count)

What does this count mean?
I searched a lot but couldn't succeed...