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==Reading by candle light==
==Reading by candle light==
# One isn’t allowed to read by a candle (wick in oil) on Shabbat because there is Gezerah that one will come to tilt the wick. <Ref> Mishna Shabbat 11a says that it’s forbidden to read by the light of a candle because one will come to tilt the wick. Rashi explains that if one tilts to wick (which is flickering) towards the oil so that it lights well, one will be violating Mavir (lighting a flame on Shabbat, which includes adding fuel to a flame). S”A 275:1 quotes as halacha. </ref>
# One isn’t allowed to read by a candle (wick in oil) on Shabbat because there is Gezerah that one will come to tilt the wick. <Ref> Mishna Shabbat 11a says that it’s forbidden to read by the light of a candle because one will come to tilt the wick. Rashi explains that if one tilts to wick (which is flickering) towards the oil so that it lights well, one will be violating Mavir (lighting a flame on Shabbat, which includes adding fuel to a flame). S”A 275:1 quotes this as halacha. </ref>
==Reading by a kerosene lamp==
==Reading by a kerosene lamp==
# There is a dispute whether the Gezerah applies to a kerosene lamp. Thus one should make a recognizable sign that says “Today is Shabbat” to satisfy all opinions. <Ref> Bet Yosef 275:12 quotes a dispute between the Rif, Rosh, Tosfot and Rabbenu Chananel who permit checking cups by a kerosene candle because it produces a lot of light and there’s no concern one will tilt the wick against the Rambam 5:16 who forbids a kerosene candle based on a difference in versions of Shabbat 12b. S”A 275:12 rules stringently like the Rambam. However, Ramban (Shabbat 12b) explains that even those who permit a kerosene candle because it produces a lot of light are only lenient by checking cups for cleanliness, but to read by the light even the Rif and Rosh will forbid. Lechem HaPanim (Kitzur S”A 80:16), Misgeret Zahav (Kitzur S”A 80:1), and Sh”t Mekor Chaim O”C 6 write that a kerosene lamp is permitted because the flame doesn’t decrease and one can set it to give off as much light as one wants before Shabbat and so there’s no concern one will tilt the wick. Mishna Brurah (Buir Halach D”H VeEin) writes that this leniency isn’t so clear, but one can rely on it to learn Torah, especially in a Bet Midrash. Mishna Brurah permits if one hangs a sign by the lamp that says “Today is Shabbat and it’s forbidden to light a fire” for a few reasons. Kaf HaChaim 275:13 argues that because one can increase the flame when necessary, it’s forbidden to read by a kerosene lamp. [Sh”t Ani Chomah O”C 19 asks on the Kaf HaChaim that the clearly when the Lechem HaPanim and Mekor Chaim permitted they knew that one could increase the flame but still permitted because one doesn’t usually increase the flame.] Yalkut Yosef (Kitzur S”A 275:2) rules like the Mishna Brurah. </ref>
# There is a dispute whether the Gezerah applies to a kerosene lamp. Thus one should make a recognizable sign that says “Today is Shabbat” to satisfy all opinions. <Ref> Bet Yosef 275:12 quotes a dispute between the Rif, Rosh, Tosfot and Rabbenu Chananel who permit checking cups by a kerosene candle because it produces a lot of light and there’s no concern one will tilt the wick against the Rambam 5:16 who forbids a kerosene candle based on a difference in versions of Shabbat 12b. S”A 275:12 rules stringently like the Rambam. However, Ramban (Shabbat 12b) explains that even those who permit a kerosene candle because it produces a lot of light are only lenient by checking cups for cleanliness, but to read by the light even the Rif and Rosh will forbid. Lechem HaPanim (Kitzur S”A 80:16), Misgeret Zahav (Kitzur S”A 80:1), and Sh”t Mekor Chaim O”C 6 write that a kerosene lamp is permitted because the flame doesn’t decrease and one can set it to give off as much light as one wants before Shabbat and so there’s no concern one will tilt the wick. Mishna Brurah (Buir Halach D”H VeEin) writes that this leniency isn’t so clear, but one can rely on it to learn Torah, especially in a Bet Midrash. Mishna Brurah permits if one hangs a sign by the lamp that says “Today is Shabbat and it’s forbidden to light a fire” for a few reasons. Kaf HaChaim 275:13 argues that because one can increase the flame when necessary, it’s forbidden to read by a kerosene lamp. [Sh”t Ani Chomah O”C 19 asks on the Kaf HaChaim that the clearly when the Lechem HaPanim and Mekor Chaim permitted they knew that one could increase the flame but still permitted because one doesn’t usually increase the flame.] Yalkut Yosef (Kitzur S”A 275:2) rules like the Mishna Brurah. </ref>

Revision as of 21:49, 2 January 2010

Reading by candle light

  1. One isn’t allowed to read by a candle (wick in oil) on Shabbat because there is Gezerah that one will come to tilt the wick. [1]

Reading by a kerosene lamp

  1. There is a dispute whether the Gezerah applies to a kerosene lamp. Thus one should make a recognizable sign that says “Today is Shabbat” to satisfy all opinions. [2]

Reading by a wax candle

  1. One is permitted to read by wax candles [3]

Reading by an electric light

  1. One is permitted to read by electric lights. [4]

Sources

  1. Mishna Shabbat 11a says that it’s forbidden to read by the light of a candle because one will come to tilt the wick. Rashi explains that if one tilts to wick (which is flickering) towards the oil so that it lights well, one will be violating Mavir (lighting a flame on Shabbat, which includes adding fuel to a flame). S”A 275:1 quotes this as halacha.
  2. Bet Yosef 275:12 quotes a dispute between the Rif, Rosh, Tosfot and Rabbenu Chananel who permit checking cups by a kerosene candle because it produces a lot of light and there’s no concern one will tilt the wick against the Rambam 5:16 who forbids a kerosene candle based on a difference in versions of Shabbat 12b. S”A 275:12 rules stringently like the Rambam. However, Ramban (Shabbat 12b) explains that even those who permit a kerosene candle because it produces a lot of light are only lenient by checking cups for cleanliness, but to read by the light even the Rif and Rosh will forbid. Lechem HaPanim (Kitzur S”A 80:16), Misgeret Zahav (Kitzur S”A 80:1), and Sh”t Mekor Chaim O”C 6 write that a kerosene lamp is permitted because the flame doesn’t decrease and one can set it to give off as much light as one wants before Shabbat and so there’s no concern one will tilt the wick. Mishna Brurah (Buir Halach D”H VeEin) writes that this leniency isn’t so clear, but one can rely on it to learn Torah, especially in a Bet Midrash. Mishna Brurah permits if one hangs a sign by the lamp that says “Today is Shabbat and it’s forbidden to light a fire” for a few reasons. Kaf HaChaim 275:13 argues that because one can increase the flame when necessary, it’s forbidden to read by a kerosene lamp. [Sh”t Ani Chomah O”C 19 asks on the Kaf HaChaim that the clearly when the Lechem HaPanim and Mekor Chaim permitted they knew that one could increase the flame but still permitted because one doesn’t usually increase the flame.] Yalkut Yosef (Kitzur S”A 275:2) rules like the Mishna Brurah.
  3. Bach in name of Maharshal, Taz, and Magan Avraham (in cases of need) permit reading by a wax candle because there’s no Gezerah of tilting the wick. However, S”A 275:1 forbids reading by a wax candle because one will come to trim the wick and maybe extinguish it. Eliyah Rabba, Buir HaGra concur. Mishna Brurah 275:4 permits wax candles because nowadays the wax produces a clear flame and there is no issue that one will tilt or trim the wick. Similarly, Yalkut Yosef (Kitzur S”A 275:3) is lenient based on Rav Ovadyah’s later writing in Halichot Olam 3 against his opinion in Sh”t Yabea Omer 1:16(6-9) and Yalkut Yosef (first edition Shabbat vol 1 pg 317).
  4. Sh”t Yacheve Daat 6:20 holds that even those who are strict by a kerosene lamp will allow an electric light because it produces a clear flame and gives off a lot of light [the leniency of a kerosene lamp, which produces a lot of light and the leniency of a wax candle, which produces a clear flame.] Additionally, Sh”t Yachave Daat adds that we shouldn’t make extend Chazal’s Gezerah of a oil and wick to electric lights because we aren’t allowed to make new Gezerah’s or add to preexisting ones (Magan Avraham 301:58). Thus, Sas Anochi (Kuntres Rach VeTov pg 78c) and Sh”t Yashkil LeAvdi O”C 2:9 who are strict by a kerosene lamp if it’s made of multiple candles, allow electric lights. Sh”t Yachave Daat also argues that electric lights are permitted because Chazal only forbad tilting a wick already in oil but permitted adding more oil [the same distinction is found in Sh”t Igrot Moshe O”C 93 concerning leaving food from before Shabbat on a gas flame.] On the other hand, Sh”t Shoel VeNishal 1:76 forbids reading even by electric lights based on a Hagot Asheri (Shabbat 12b) who is uncertain about a wax candle even though there is no issue of tilting the wick and so too any lighting should be forbidden even though there is no issue of tilting (because of Lo Palug Rabanan, the Rabbis didn’t differentiate in their Gezerah’s). However Sh”t Yacheve Daat (in the footnote) argues that we shouldn’t forbid because of the Hagot Asheri’s uncertainty as this is a matter of Derabanan (see there as there are some Achronim who say Safek Derabanan LeKula doesn’t apply to a Safek that we don’t know the halacha. Additionally Bnei Tzion 265:3 explains that the Hagot Asheri was uncertain when a Gezerah doesn’t have any reason to apply whether it should be permissible or forbidden as the Rabbi’s extend their Gezerah to any case as in the case of a mirror that’s not sharp enough to cut hair (Shabbat 149a) as Rabbenu Moshe (quoted in Ran) rules. However, since in the case of Shabbat 149a, Rif, Rambam, and Rosh, S”A 302:13 permit mirrors that can’t cut, then, so too wax candles aren’t forbidden.