Questions tagged [lighting]

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3
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2answers
203 views

Is it a problem to use the lights of the Chanuka candles as the sole source of light in a photograph?

A common setup get a beautiful "lighting Chanuka candles" picture is to use only the light of the menorah to illuminate the photograph, including the menorah and the hands and face of the person ...
4
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1answer
103 views

Shutting lights off during Chol Ha'moed, to save electricity

Preface During Shabbat, Orthodox Jewish practice is to avoid turning lights on or off. Perhaps turning lights on or off is a form of melacha. On Chol Ha'moed, melacha is sometimes, but not always, ...
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0answers
31 views

Kiddush levana – intensity of moonlight required in areas of light pollution

The answer to this question came from Mishna Berura 426:3 which defines the light from the moon on which one can make the blessing as follows: ג) ונהנין מאורה - דהיינו בעת שזריחתה ניכרת ע"ג קרקע. ...
3
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1answer
135 views

What does מיללעליכט mean in this Responsa?

In Shu"t HaElef Lecha Shlomo 1:116 it mentions a type of light called מיללעליכט and I am having a hard time deciphering what type of light it is. Only thing that came up was a light bulb called the ...
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1answer
92 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 ...
2
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0answers
51 views

Does Judaism use darkness and light as a metaphor for good and evil?

Many religions contrast dark and light with good and evil. Namely Christianity as a off shoot religion does exactly this in the new testament. Does Judaism use these metaphors directly in any verses ...
2
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2answers
56 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 ...
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1answer
232 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 ...
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0answers
175 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
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0answers
70 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
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1answer
100 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
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1answer
67 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.
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0answers
55 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
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2answers
81 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
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1answer
505 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
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1answer
148 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
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1answer
85 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
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1answer
123 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?
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3answers
380 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
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1answer
91 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
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1answer
567 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
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1answer
371 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
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1answer
97 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
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1answer
109 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
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1answer
104 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
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1answer
91 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
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2answers
1k 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 ...
4
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3answers
1k 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 ...
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1answer
198 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
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1answer
94 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
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2answers
124 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 ...
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0answers
68 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 ...
6
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2answers
959 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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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
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1answer
144 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
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2answers
358 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
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1answer
118 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
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3answers
268 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
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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 ...
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2answers
818 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?
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5answers
4k 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
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1answer
135 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 ...
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0answers
589 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
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1answer
2k 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
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1answer
198 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
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1answer
196 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
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1answer
149 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 ...
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2answers
329 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
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2answers
275 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?
5
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2answers
128 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?