Tagged Questions
104
votes
15answers
7k views
Who needs an external on/off Wi-Fi button?
It puzzles me that there are Laptops which are shipped with external physical Wi-Fi buttons. I see no real use of it, but it might have a historical explanation?! The only time one notice the external ...
4
votes
4answers
160 views
Controls on moving controls?
It hit me today when driving home from work turning right in a highly busy crossing. I wanted to lower the music volume but couldn’t find the control without looking. On previous cars I’ve owned, the ...
8
votes
4answers
230 views
Is the middle power option 50% or 60%?
A friend of mine has a blender with 6 control selections: One off position, and five power settings in order of less to more power. Example below:
A discussion has erupted over whether or not the ...
9
votes
5answers
1k views
Why do light switches find themselves OUTSIDE the room they light up in some European countries?
Okay, to be fair my experience is mostly with Poland, though I have observed this electrical interior design decision in a few neighboring countries while travelling, but can't generalize there.
...
0
votes
0answers
112 views
RTU card of SCADA systems [closed]
In most of electrical SCADA systems, RTU (Remote Terminal Unit) panels are very common in power transmission & distribution companies. There are several cards inside each RTU panel, some are ...
5
votes
4answers
851 views
Should a light switch be small or big, or does this depend on other factors?
Small and big light switch compared:
It's strange that this usually differs by country. The big ones are easier to hit, but the small ones provide better feedback (if you don't immediately see the ...
