Archive for the ‘electrickery’ tag
Calling No-one
When testing a fire alarm system, my test key got stuck in a call point. Fair enough, sometimes the key can get caught on an internal spring. So I took the face off:
Only to find out that there was nothing inside!
It has been removed now, but it is very dangerous to have a call point that won’t trigger the alarm. Not good at all!
I Have A Crush On You
Terminating onto the sheath of the cable can be extremely destructive- the device can function when re-powered, but the poor quality connection will eventually start arcing and overheat. It can lead to problems like: What Happens When You Terminate On The Insulation
Pull The Other One
In a pub- perhaps someone stood on the flex and pulled the faceplate off. No sign of the screws though!
How To Do Electrical And Mechanical Tricks – 1915
We at Bad Electrickery wish to present:
[right-click and choose ‘save as’ – 15.9MB]
This little booklet is from 1915 and describes itself as an “an Up-to-date collection of Interesting, Instructive and Highly Amusing Electrical Tricks.” So, if you’re interested in reading some early electrical experimentation, right-click on the link and save it to your desktop.
Here’s an extract:
