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Questions tagged [lighting]

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2
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2answers
51 views

Can one disconnect an emergency lamp from power on shabbat?

This is an emergency torch. It is plugged on power and, in case the electricity stops, turns itself on automatically and runs on batteries for hours If power falls on shabbat, can one disconnect ...
0
votes
1answer
190 views

Candles in bedroom during Tisha B'Av

This question discusses the practice of keeping a candle lit in the bedroom on Yom Kippur. It suggests--although I dispute this somewhat--that the main purpose of this candle is to discourage marital ...
1
vote
0answers
125 views

Custom to light yahrzeit candle on Erev Shabbos before the yahrzeit

Has anyone heard of a custom to light a yahrzeit candle not on the eve of the actual yahrzeit, but on the eve of the preceding Shabbos? I know that there are other customs for the preceding Shabbos, ...
2
votes
0answers
62 views

Yom tov, showering and lights

I recently stumbled across a lighted showerhead at a store that purports to operate solely through water - without an external power source. The lights also change color with the temperature of the ...
1
vote
1answer
86 views

The light hidden in Torah?

In Bereshit 1:3-4 there is light(ness), and HaShem saw that it was good and seperated it from the dark(ness). I read (Baal Shem Tov, Zohar), that HaShem hid this light in the Torah? Could someone ...
3
votes
1answer
65 views

benefit from channukah light?

Can one read by electric lights, in a room where their is channuakh lights light, since inevitably his gettting some benift from the channukah lights although his main benift is from the electric.
1
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0answers
46 views

Why was only the light hidden at creation?

In Bereshis 1:3-4 God creates light and differentiates between light and dark. Chazal in Hagigah 12a each us that God saw the original light was not appropriate for the wicked to use and hid it away ...
3
votes
2answers
69 views

Looking for the source of a saying on “redemption being like a candle in the daylight”

I'm looking for the source for the saying that goes something like: "celebrating the first redemption in the yemos hamoshiach will be like lighting a candle in the daylight".
3
votes
1answer
247 views

Other sources of light to bless Shabbat over

In places were candles are unsafe or prohibited from use, could light emitting diodes with batteries substitute? Closing the circuit would be regarded as work. But so is lighting a candle for any ...
1
vote
1answer
128 views

Can one light Chanukah candles with ear wax?

Can one light Chanukah candles with ear wax? I'm not suggesting that people actually do this, as it is weird. But, I'm asking this in terms of allowable halacha. I know that the 2nd chapter of Talmud ...
4
votes
1answer
79 views

Source for Memorial Lights in Synagogue [duplicate]

What is the source for having memorial electric lights usually affixed to plaques that are found in many shuls to remember the yahrtzeit of relatives? Is this an old minhag or of relatively recent ...
1
vote
1answer
118 views

Can one have a glass candelabra with seven branches?

I know that the halacha is that you can't make a copy of the menorah with seven branches, and that you shouldn't have a candelabra with seven branches, either. What if it's made out of glass?
2
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3answers
223 views

Using oil lamps on Shabbas in old times

In the olden times, before electricity, did religious Jews have lamps that could hold large amounts of oil so that they could use light on Shabbas, similar to how we use Shabbas lamps and have lights ...
7
votes
1answer
89 views

Is there a problem of image projection on Shabbat?

There are night lights which don't just emit light but project an entire image (example). If such a device is plugged in before Shabbat, would there be a problem of closing window shades or doing ...
0
votes
1answer
495 views

Why can't one have marital relations with the light on?

The Gemara forbids relations during the day or by the light of a lamp (Niddah 17a). According to tradition, relations should take place at night and in the dark. Why is one not allowed to have the ...
3
votes
1answer
368 views

Chanuka candles if missed the night

If someone, not on purpose, did not light chanuka candles at night, should he light during the day? With or without a brocho?
3
votes
1answer
87 views

Can you use a stolen menorah?

Has a person fulfilled the obligation of lighting Chanukah candles if he uses a stolen menorah but owns the candles, match etc.?
3
votes
1answer
85 views

If I said the blessings over already lit candles, have I fulfilled my hannukah mitzvah?

On the first night of Hannukah, I got home from work after dinner, and my wife had lit the candles and said the blessings with the kids. I said all three blessings over the already lit candles. In ...
6
votes
1answer
100 views

KosherLamp closed by window (Moris Ayin?)

Was wondering if closing the KosherLamp on Shabbat while a window shade is up when it is dark and possible onlookers can see a light go off in ones house constitute a case of moris ayin (doing ...
2
votes
1answer
85 views

Snake lamps on Shabbos? [closed]

I have a pet snake that has two types of lamps. One lamp is turned on in the mornings (day lamp) and then the other is turned on at night (night lamp). They both are needed to produce light and heat ...
3
votes
2answers
866 views

When can one have light in the room during marital relations?

According to tradition, relations should take place at night and in the dark. The Talmud forbids relations during the day or by the light of a lamp (Niddah 17). Are there circumstances where having ...
3
votes
3answers
957 views

Tsohar - a window or a stone in Genesis 6:16

I have heard that the word tsohar used for "window" in Genesis 6:16 may be interpreted instead as a "precious stone" that may have provided light within the ark. Here is the text from the KJV of ...
1
vote
1answer
195 views

Can one use a laser pointer instead of a “yad” while reading the Torah in public on weekdays?

Instead of a yad (finger pointer), can someone use a laser pointer to help him follow the place as he reads the Torah during public Torah reading? I can't imagine that there are any halachic issues, ...
1
vote
1answer
88 views

Can you use an LED light array for searching for chametz?

Would this portable LED light array which has 30 LEDs spread over an area of around 6 inches by 1 inch be suitable for bedikat chametz? If not, why would a traditional beeswax candle be better? The ...
6
votes
2answers
122 views

Using a flickering bulb on Shabas

Mishna B'rura 264:1 says: The reason for the invalidity of [certain] wicks and oils [for the Shabas lights] is that they do not shine well and we're afraid he may tilt the lamp so the oil within it ...
1
vote
0answers
67 views

Greeks' gas lamps

I once heard that there is a source that says the Greeks invented gas lamps or some sort of street lights which enabled the Jews to roam the streets at night and not be with their families. The plan ...
5
votes
2answers
781 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 ...
2
votes
1answer
1k views

Bar Mitzvah candle-lighting?

I was recently invited to a bar mitzvah celebration and mention was made of a “candle lighting ceremony”. I’d never heard of such a thing, and Google turns up pretty vague references. Which segments ...
11
votes
1answer
138 views

What is the source of Yartzeit tablet?

Who invented the Yahrtzeit tablet (panel)? At first glance, this could not have been common before 150 years ago, as there is no room to place candles where the electric lights go. Who invented it, ...
11
votes
2answers
329 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 ...
3
votes
1answer
116 views

How is the menora lit in the synagogue?

The menora in the synagogue is normally situated on the south side of the synagogue (O Ch 671:7). On which side of the menora is it lit? I can think of two options: The person lighting faces south ...
5
votes
3answers
246 views

What is the source for lighting a candle for the whole year after the death of a close relative?

I am familiar with the idea of a yahrzeit candle. I have observed a custom of keeping a flame alight for the whole year (or maybe 11 months) after the death of a close relative. (When one goes out, ...
5
votes
2answers
2k views

Tashmish Ha-Mitah B'yom (Marital Relations by day.)

It says in Shulchan Aruch Siman 240 Sif 11 that it's prohibited to have marital relations by day unless the house is dark ("Bayis Afel".) The Rema adds that a Talmid Chacham that covers himself with ...
8
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2answers
736 views

Pre existing flame for Havdala after Yom Kippur

Doe anyone know the reasoning for the requirement to use a flame that was lit over Yom Kippur for Havdala?
5
votes
5answers
3k views

Advice for Lighting in a Sukkah

I'm seeking advice for safe, cost-effective lighting inside a Sukkah. My goals are: Minimize risk of fire. Even florescent lights can get hot enough to spark dry kindling in certain circumstances. ...
8
votes
1answer
120 views

What is the reason for the lights lit on the desk of the prayer leader?

What is the reason for the candles or lights lit on the desk of the chazzan (prayer leader)? In a shul today I saw candles lit on a table at least 6 feet from the reader. Does that fulfill the ...
1
vote
0answers
553 views

Calculation methods for intermediate time of chanukah lighting

We know that there are those who light chanukah candles at sunset and other at tzeis but there are some poskim lighting between at an intermediate time, for example : Rav Moshe Feinstein, Rav ...
6
votes
1answer
1k views

Why extinguish the havdala candle in wine?

My family's custom is that, on motzae Shabas, someone making havdala, after drinking from the cup, pours some of the wine into the saucer (which, note, already had wine, because we overflow the cup on ...
5
votes
1answer
164 views

What is Shevirat Hakeilim?

Shvirat hakeilim seems to be a Kabbalistic concept denoting how the light was created within the Genesis account. However, I cannot seem to find information regarding it. Can someone please explain ...
4
votes
1answer
177 views

Does one light candles by the Bima when not an Avel?

When someone is a chazzan during his mourning period, the Lubavitch custom is to light five candles. Does a Chazzan who is not a mourner light any candles? I have seen people turn on an "electric ...
5
votes
1answer
139 views

Why do we have a Ner Tomid in Shul and on what are modern designs based?

It is customary for synagogues to have a Ner Tomid, a light burning always near the front of the synagogue. 1) Why do we have a Ner Tomid? 2) If it is a reminder of the “ner maarovi” which was one ...
8
votes
2answers
315 views

How seriously do we take the finger-inspection in Havdala?

After saying the blessing over fire during Havdala, we do something (customs vary) involving looking at our fingers by the light of the Havdala candle. I'm wondering how seriously we take this part of ...
3
votes
2answers
267 views

Lighting candles for People

Is there a source for lighting a candle in memory of a person or a Tzadik? And if there is, what would be the reason to do so?
4
votes
2answers
118 views

Is a head-mounted lamp better than a candle for bedikas chometz?

A LED or Xenon lamp attached to the head (link shows example) seems to be ideal for bedikas chometz and superior to a candle? Do contemporary poskim offer a view?
14
votes
2answers
3k views

Source for the practice of not blowing out candles/flames?

It seems that a custom exists not to blow out candles/flames, but rather extinguish them another way, such as waving in the air. (Snuffer anyone?) What is the source for this custom? I am including ...
5
votes
1answer
132 views

Lighting the menora in shul and at home. How many brochos need be said?

Our shul has a minyan for mincha before sunset and for maariv after sunset. Between the two, the chanuka lights are kindled. There is a later maariv minyan; the chanuka lights are again kindled before ...
3
votes
2answers
816 views

Marriv before/after lighting the Menorah

Does one need to Daven Marriv before lighting the Chanukah Menorah or can you light before davening? Why?
16
votes
3answers
620 views

Is it okay to enjoy Christmas lights?

My daughter is always talking about how she hates everything Christmas, including the lights on the houses. I am trying to encourage her that she can like non religious things like the lights, so ...
14
votes
3answers
836 views

Glow sticks on Shabbos

May one activate a glow stick on Shabbos? (In other words, is there a prohibition on activating the chemical reaction which produces the light in a glow stick?)
5
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4answers
715 views

Lighting candles Motzei Shabbos

I have seen different Minhagim regarding lighting one or two candles on Motzei Shabbos. What is the source and why 1 or 2?