Electronics Forum / Electrical Engineering / November 2007

I have a problem with my magnet motor design.
It is based on a wheel continually rolling down a sloping disk.
The disk is tilted up by repelling magnets, creating a pushing wave
directly behind the wheel.

Hello, i an not an engineer but recently at the village hall where i
help out we have had two new water pumps fitted to the heating system
and both have failed.The original pump has 415v phase 3 written in pen
on it and the new ones have 240v printed on them.Could it be the

Mine came the other day. I tried installing it this morning on a system
that is not internet connected. As a result, I had to get an activation
key from the NFPA by phone.
So, they tell me that the serial number I gave them off the CD jacket

Hi there, I'm about to acquire my journeyman ticket as a power systems
electrician, as designated in Alberta Canada. I am curious what the
job title is across the country for the same discipline. Just to be
clear, this is not a power lineman ticket, I will work exclusively

This Product is getting huge attention now look Snag those Energy Tax
Credits
Any qualified energy-saving installation or improvement made by
December 31, 2007 will earn you varying degrees of tax credit on this

I'm helping a friend who just moved in a new appartment.  One of the
things we made was to change all the old painted switches and outlets
(and accompanying wallplates) by brand new ones.
Using a receptacle tester, I made sure that all outlets were correctly

Hello people,
I was reading one article on the Internet and I've come accross to
term "energizing" transformer. Can you explain me what this means? Is
it ordinary transformer where term energizing means transient when

I had an uncle who used a electric devise to get worms from the lawn for use
as fish bait.  This devise had a pointed  ~ 1/4" metal rod protected by a
spring loaded plastic sleeve which was inserted into the ground.  Apparently
the sleeve was intended to prevent shocking the user ...

Is there some such concept as "residual electricity"???
There was a problem with a computer at work...it's a new Dell running
WinXP Pro...everything's fine, I go to lunch and come back to a blank
screen that won't wake up from power-save/sleep mode!!  I do the

Has anyone experienced vandalism with a possible link to uk eletrical
wholesaler?
Just days after payment by an electrical wholesaler of a claim made
against them - which they had ignored for a long while, I have suffered

My garage door keeps opening because (as I believe) the eyes "think" a
person is standing under the door as it comes down.
I've tried removing the sensors and lining them directly to avoid any
vibration the moving of the door may cause, however, that doesn't appear to

Desiderata (written by Max Ehrmann)
Go placidly amid the noise and the haste, and remember what peace there
may be in silence.
As far as possible, without surrender, be on good terms with all

Does anyone know what year California started requiring grounding of indoor
electrical outlets?
Thanks,
Sue

I'm a new student to engineering and wanted to know what is the best
way to branch

I think we can all agree that we could always use better and more
durable batteries in our laptops, but I for one can't really find out
what is happening on this front, so I thought I would ask here.
Lithium batteries seem to be the best technology for batteries