Skip to main content

Questions tagged [electricity]

Hacks to related to electricity: safe practices, electrical work, efficient usage, etc.

Filter by
Sorted by
Tagged with
24 votes
6 answers
7k views

How can I avoid getting static shocks in the winter?

Some days, it feels like everything I touch gives me a shock. Car door, metal sink, even the dishwasher. What can I do to reduce static shocks?
Scimonster's user avatar
  • 2,095
11 votes
6 answers
18k views

How to generate electricity for free?

Are there any ways of generating electricity for free*? It doesn't have to be 110/220/230V, but for example charging the mobile would be useful. * - free in terms of money, e.g. without paying ...
kenorb's user avatar
  • 4,462
14 votes
5 answers
59k views

How do I know how much charge a battery has left?

I have a box full of batteries (AA, AAA, 9V, and CR2032). I know some are empty because I chucked them in there together with full ones, which was probably not a smart thing to do. Is there an easy ...
Martin Tournoij's user avatar
9 votes
5 answers
5k views

How do I prevent batteries from leaking?

I have recently bought a battery powered LED lamp for use on a camping trip. When I return I would like to have it ready for use at home when the power goes out. I am concerned that as it will be ...
Kelly Thomas's user avatar
7 votes
3 answers
3k views

Check for electricity in a socket without tools?

How can I check if there is electricity in a power socket without a tester or any other specialized tools? Note: The method should not involve the destruction of the socket or my whole power supply!
G.Rassovsky's user avatar
4 votes
2 answers
715 views

Using electricity at night [closed]

In Germany I get offers for reduced electricity rates from 22:00 to 6:00 for private households. The reduced rate is about 20% less than the normal rate. We're a family of 4 persons, 2 adults and 2 ...
Thomas Weller's user avatar