A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.

Questions tagged [electricity]

The tag has no usage guidance.

13 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
13
votes
1answer
146 views

Can a “brain controlled” prosthetic be used on Shabbat?

New prosthetics are controlled by brain waves which seem to make the prosthetic an extension of the body in an "organic" way, in that we control all of our own limbs through the same brain waves and ...
10
votes
1answer
476 views

Tweeting on Shabbat: d'oraita or d'rabbanan violation?

There was a dangerous situation in my community on Shabbat and I knew (from the amount my house phone was ringing and my cell phone was buzzing) that people I knew across the world would be concerned ...
7
votes
0answers
53 views

Difference between Halperin and Tzomet switches?

I am reading about the various so-called Grama and other Shabbat switches developed in Israel for use in hospitals and security situations. It seems that there was one solution created by Rabbi ...
6
votes
0answers
54 views

Why is turning on a faucet not considered molid or boneh?

As has been discussed in many questions on this site, halachic authorities generally agree that the use of electricity is prohibited on Shabbat, but some differ in their analysis of why. (There is ...
5
votes
0answers
54 views

Shabbat: Electric Apartment Door in Doorman Building

Let us say a person lives in an apartment building where the apartment doors (door to the apartment itself) are fitted with electronic locks. The building has a 24-hour "concierge" doorman (non-...
4
votes
0answers
159 views

Crossing at a sensor-controlled traffic light on Shabbat

May one cross at a sensor-controlled traffic light on Shabbat / Yom Tov. I.e. - the light turns green only when it senses there is a pedestrian? Would it matter if it would be dangerous to cross ...
4
votes
1answer
385 views

Why isn't walking through a metal detector allowed on Shabbat because of pikuach nefesh?

I saw a few weeks ago that there are no security checks at the Kotel for religiously dressed Jews on Shabbat. This is to avoid having to walk through a metal detector, apparently. My question is, why ...
3
votes
0answers
77 views

Light switch on Shabbat - no bulb, unplugging an extension cord

Muktza aside - Is it permissible on Shabbat to turn off a light switch if the light bulb burned out; Is there any issue in removing the current from the circuit 10, 15, 20 ft back? The same I would ...
3
votes
0answers
160 views

Is a Digital Clock muktzeh on Shabbos?

This question occurred to me over Shabbos, when my clock fell over. What Muktzeh category does a digital alarm clock fall into? If it has a backup battery, does that change anything? Additionally, if ...
2
votes
0answers
198 views

Sewer pump usage on Shabbat

There are sewer tanks where, when full, an electric sewer pump automatically turns on. Is it a problem to pour water down the drain (washing hands, flushing the toilet) into such a sewer system? ...
1
vote
0answers
110 views

Temperature controlled urn on Shabbat

What issues may be at play when adjusting the temperature of an urn on Shabbat, e.g. from 200° F to 80° F, specifically on an urn pictured below*? (Assuming the water is already pre-boiled before ...
0
votes
0answers
66 views

Source that Power generators on Shabbos override Shlom Bayt (in Israel)

Power generators are very popular with Haredim in Israel that traditionally don't rely on Isral Electric Company's electricity on Shabbos. On Rosh Hashana, the power generator of a famous Yeshiva in ...
-1
votes
1answer
87 views

Dimmer Lights on Yom Tov

On Yom Tov, we are allowed to adjust fire (i.e. change the strength of the stove) so long as we do not completely turn the stove on or off. Therefore, if a room’s lighting has a dimmer switch, would ...