Questions tagged [electricity]

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28 votes
3 answers
5k views

Why can't electricity be manipulated on Shabbat?

Why can't we use and change electricity on Shabbat and YomTov? By this I mean why can't we turn lights on and off? I've heard Rabbis say that its because you can't complete a circuit on Shabbat, ...
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  • 1,833
30 votes
5 answers
2k views

When blogging/emailing/etc., do I use "God" or "G-d"?

Is there a religious problem with typing out the name: "G-o-d"?
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15 votes
2 answers
1k views

Are you allowed to benefit from an electrical appliance turned on during shabbos?

If a jewish person were to accidentally turn on the light in their bedroom, or if the television were accidentally turned on (for these purposes, let's assume that the person in question woke up, ...
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  • 1,886
14 votes
5 answers
1k views

Can you leave video chat on over Shabbos?

Basically: Can you leave your computer with video chat on (to another person) on over shabbos? And what if there's also audio? For example a relative in the hospital, relatives that in a far away ...
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  • 1,710
6 votes
2 answers
615 views

Kosher switch and Grama according to R. Belsky's letter

Yeshiva World News published a letter from Rabbi Belsky saying that the Kosher Switch accomplishes nothing and is simply a regular melacha. My question is basically the same as this commentor. Is ...
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11 votes
2 answers
522 views

Blackout restoration on Shabbath - and your food

If you suffer from a blackout on Shabbath, but the power returns on Shabbath, and you have certain food elements cooking, is there a problem of either Nolad or some other issue relating to food that ...
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  • 41.1k
6 votes
4 answers
1k views

May one say a blessing on light bulbs for shabbat

If one doesn't have candles for shabbat, may one say a blessing on light bulbs? Since the point is to have light for שלום בית (household serenity), it would seem that electric lights would have the ...
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  • 1,902
9 votes
4 answers
3k views

Can you use electricity on Yom Tov

Yom Tov is slightly different than Shabbat. For example, on Shabbat one cannot cook, but one can cook on Yom Tov provided that it is from an existing flame. My question is this... Let's say I have ...
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13 votes
2 answers
2k views

Smart thermostat on Shabbos - what should one do?

I read an article recently regarding a person who went to a hotel and realized after Shabbos began that all the rooms were controlled by smart thermostats. A smart thermostat detects when one is in ...
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11 votes
2 answers
442 views

Which types of light bulbs are 'only' an issur d'rabbanan to activate on Shabbat

I'd be very interested to know if anyone has definitive advice on which types of light bulbs are considered an issur d'rabbanan (Rabbinic prohibition) vs an issur d'oraita (Torah prohibition) to turn ...
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  • 111
7 votes
1 answer
626 views

Is one allowed to use electricity on Shabbos in Israel?

I have heard that some don't use electricity made by the Israeli Electric company on Shabbos and only use generators. However, I have seen people who do use public electricity on Shabbos. What are ...
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4 votes
2 answers
290 views

Audio Recording on Shabbat/Yom Tov

Would there be a problem with leaving a recorder on from before Shabbat or Yom Tov, and thereby recording a lecture given on Shabbat itself? There is a wealth of literature on the subject of Melacha ...
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  • 4,263
2 votes
2 answers
953 views

Electronic sliding doors on shabbat

What can a person who is staying at a hotel which has only electronic sliding doors that open when one walks near them do to avoid any issue on shabbat? Wait for someone else to enter and "piggyback"?...
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16 votes
2 answers
433 views

Netilas Yadayim with automatic sinks

It seems there is precedent to allow for netilas yadayim when you don't have a cup, by turning the sink on and off for each rivi'is per hand. By employing this method you satisfy the requirement of ...
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12 votes
1 answer
2k views

Can one run a surveillance Camera on Shabbos?

Is there any prohibition in having surveillance cameras operating on Shabbos? If not, why is is any different to filming a Bar-Mitzva, etc?
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7 votes
3 answers
455 views

Is this app really safe to use on Shabbat?

http://www.shabbosapp.com/ It is an interesting approach - trying to satisfy the major halachic issues, while skirting the stringencies. Halachically, what would be the status of using this phone on ...
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6 votes
2 answers
2k views

Opening a fridge on Shabbat

There are many problems with using electricity on Shabbat, and many ways to understand those problems. The issue of using a fridge is especially problematic (as explained in depth by Rav Nissan Kaplan ...
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19 votes
2 answers
300 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 ...
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  • 36.7k
6 votes
2 answers
1k views

Flashlight on Shabbat

Background: Among the things one may not move on Shabbat (Muktzah) is a utensil which is primarily used for a forbidden activity on Shabbat (a classic example is a hammer). This is called a "Keli ...
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4 votes
1 answer
629 views

What was Reb Moshe Feinstein's view on electricity use on Shabbos?

Did Rabbi Moshe Feinstein hold that the ban on electricity use on Shabbos (where no other issur results) is a biblical prohibition, a rabbinic prohibition, or just a minhag?
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2 votes
1 answer
195 views

Air purifier with LED sensor on Shabbat

Would one be allowed to use an air purifier with an LED smell indicator sensor on Shabbat if bringing in odors near the purifier with outside food or other odorous things could or most surely would ...
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  • 1,165
0 votes
2 answers
7k views

Can we play video games during sabbath

I am not Jewish, but sort of try to emulate some parts of it to see if it does me any good. Well, not doing anything for 1 day is too boring. Actually what else can we do anyway during sabbath beside ...
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