Electronics Forum / Electrical Engineering / October 2004

The majority of the outlets in my house are two-prong type. I am currently
transforming a spare bedroom into an office and I think that it is necessary
to upgrade the wall sockets to a three-prong distribution. The reason is
that I am going to have some electronics equipment around, ...

I posted a seperate topic about relocating my meter and breaker box.
Here is a seperate question.
I have a few ungrounded circuits in my house. The cables of these
circuits from my breaker box is 14/2 ungrounded. One electrician

I would like some opinions on this.    Visualize the following:
Pressure relief door popping open, thick cloud of coal dust blowing towards
high voltage line.  Could this conceivably cause a flash over?      Thanks
rq

I have a fluorescnet light fixed in a new industrial paint booth
application.  The data plate says 277 VAC .43AMP 110VAC .9AMP.  On the
system I have 480V 3phae 60Hz with a neutral.  When I measure from one
phase to neutral I get ~270V.  If I hook one phase and neutral to the

My Canadian Utility is revamping its Coordinated Distribution Protection
Standard Practises document (present one is 1979 vintage). We have two
issues that we're struggling with right now, and I would appreciate the
thoughts of other Utility Protection types on the subject:

After 28 years of working for and around NECA contractors I have finally
found out the recommended height for switches, receptacles, and a lot more.
This 26 page standard that some claim to have been around for years is
available from the NECA online store.  $15 for NECA or IBEW ...

The following is an object lesson in what can occur as the result of boredom
while waiting for a friend to drop by.
In a current discussion (down the page a bit) concerning using a dimmer on a 100
watt lamp and the resulting reduced power consumption (and $$$ savings!):

OK, I'll admit up-front that this probably *isn't* the most intellectually
challenging question posed to this newsgroup...
In any event, my last post was at "rec.pets.dogs.behavior" where I asked for
pointers to commercial products that I could place around the perimiter of a

Soon George W.Bush and the great USA will have small and powerful
railguns and all terrorists will cry for mercy, but Bush will finish
them all!

I am writing a program to calculate voltage drops on a Utility's
distribution power line system.  I have finished the program and have
calculated impedances for balanced single phase, 2 phase, and 3 phase
lines.  However, I don't not have the formula to calculate those

Can anyone recommend a piece of equipment to continuously monitor 10-20
connector pin
pairs for loss of continuity? A dropout as short as 1us has to be detected.
This will be a long

I just purchased an old Victorian ,sort of, farm house with knob and Tube
wiring. A lot of it is in pretty bad shape with broken knobs and tubes and
light switches. What I want to do is refurbish the old wiring to power
lights and ceiling fans. Plenty of old insulators came with the ...

I am a translator currently working on a switchgear manual. Under the
section entitled "Ratings: Feeder/Incomer & Bus-section units", I have the
following:
"Rated operating sequence: 0 - 0.3 sec. - CO - 5 sec. - CO"

A friend said that a high voltage charge applied to the body would disable ,
shut off a running car. Is this possible ? also if it would work would it
also work on an older pre electronic ignition car ?
Thanks

I am looking to buy some software at work.  I would like to do
1. short circuit studies
2. coordination studies
and MAYBE in the future (but maybe not)