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Electricity on Shabbat: Difference between revisions
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#It is forbidden to speak into a tape recorder even if the recorder was turned on before [[Shabbat]].<ref>Menuchat Ahava 24:13, Yechave Da'at 2:57. Igrot Moshe OC 3:55 forbade recording a shiur on Shabbat or the like since speaking into it might cause the voltage to increase in the circuit and also it might be considered molid to have something new introduced into the memory of the recorder.</ref> | #It is forbidden to speak into a tape recorder even if the recorder was turned on before [[Shabbat]].<ref>Menuchat Ahava 24:13, Yechave Da'at 2:57. Igrot Moshe OC 3:55 forbade recording a shiur on Shabbat or the like since speaking into it might cause the voltage to increase in the circuit and also it might be considered molid to have something new introduced into the memory of the recorder.</ref> | ||
===Dryer=== | |||
#It is forbidden to leave wet clothing in a dryer and leave it on before Shabbat so that continues to operate on Shabbat.<ref>A Guide to Practical Halacha (Shabbat v. 3 p. 156 n. 63) quoting Rav Moshe Feinstein</ref> | |||
===Electric Blanket=== | ===Electric Blanket=== | ||
#It is permitted to use an electric blanket on [[shabbat]], provided one does not move the knob that adjusts it. | #It is permitted to use an electric blanket on [[shabbat]], provided one does not move the knob that adjusts it. It is proper to place scotch tape on top of the knob in order to prevent oneself from accidentally adjusting the blanket on [[shabbat]].<ref>Igrot Moshe 3:50, Menuchat Ahava 1:24:37, Yechave Da'at 2:49 </ref> Note this only applies to the older electric blankets that work when plugged in but not ones which are responsive to sensing a person's presence are forbidden. | ||
# A space heater according to many poskim is muktzeh.<ref>Rav Shlomo Zalman Auerbach (Shulchan Shlomo 308:13 fnt. 34), Orchot Shabbat ch. 19 fnt. 246, Avnei Yishfeh, Shalmei Yehuda 2:19 quoting Rav Elyashiv</ref> Some hold it is only a kli she'melachto l'isur.<Ref>39 Melachos (v. 1 p. 51) based on Igrot Moshe 3:49, 4:51:5</ref> | |||
===Automatic Doors, Doorbells, and Door Chimes=== | ===Automatic Doors, Doorbells, and Door Chimes=== | ||
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#It is forbidden to leave a bread machine on a delayed start timer to bake fresh bread on Shabbat because even if one does so the bread will be muktzeh.<ref>Divrei Dovid 4:21 explains that fresh bread cooked on Shabbat is muktzeh since the flour during ben hashemashot wasn't edible. He explains that it isn't considered gamru biyadey adam since 1) Since it wasn't baked before Shabbat it is considered like it was totally rejected (dachinhu byadayim). 2) It didn't start during ben hashemashot. 3) Nolad is more serious than other muktzeh.</ref> | #It is forbidden to leave a bread machine on a delayed start timer to bake fresh bread on Shabbat because even if one does so the bread will be muktzeh.<ref>Divrei Dovid 4:21 explains that fresh bread cooked on Shabbat is muktzeh since the flour during ben hashemashot wasn't edible. He explains that it isn't considered gamru biyadey adam since 1) Since it wasn't baked before Shabbat it is considered like it was totally rejected (dachinhu byadayim). 2) It didn't start during ben hashemashot. 3) Nolad is more serious than other muktzeh.</ref> | ||
#Some say that one should not leave one's website open and available for people to use on Shabbat and it is more serious than Lifnei Iver or Shevitat Kelim since Jews are doing melacha with your property.<ref>Rav Elyashiv cited by Kedushat HaShabbat (R' Moshe Harari pp. 98-101). See also [https://www.hebrewbooks.org/52532 Meishiv Mishpat 1:1].</ref> | #Some say that one should not leave one's website open and available for people to use on Shabbat and it is more serious than Lifnei Iver or Shevitat Kelim since Jews are doing melacha with your property.<ref>Rav Elyashiv cited by Kedushat HaShabbat (R' Moshe Harari pp. 98-101). See also [https://www.hebrewbooks.org/52532 Meishiv Mishpat 1:1].</ref> | ||
# One may change the setting on a shabbat clock in order to make lights stay on for more time. <ref> Ach Tov vaHessed, Halacha Yomit 5783, Page 93 </ref> However, ideally, one may only change the setting on a shabbat clock in order to make lights stay on for less time if it is for a sick person. <ref> Yabia Omer 3:18 </ref> | |||
==Sending Email on Friday== | ==Sending Email on Friday== | ||
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*Rav Ovadyah Yosef (Yalkut Yosef [[Shabbat]] vol 1 pg 188, Yabia Omer OC 2:17) agrees that one can make a bracha on it but emphasizes that it's a last option and that preferably one should have a designation that the bulb is for [[Shabbat]] candles. | *Rav Ovadyah Yosef (Yalkut Yosef [[Shabbat]] vol 1 pg 188, Yabia Omer OC 2:17) agrees that one can make a bracha on it but emphasizes that it's a last option and that preferably one should have a designation that the bulb is for [[Shabbat]] candles. | ||
*Rav Shlomo Zalman (Shemirat Shabbat Kehilchata (ch. 43 fnt. 22) held that using an electric bulb plugged into the wall is questionable since the fuel to keep it lit on Shabbat wasn't present at the time of the lighting. Rav Moshe Feinstein (quoted by Rabbi Tendler in Moreshet Moshe v. 2 p. 51) agreed with this concern.</ref> There is a discussion whether one would be able to make a blessing on a fluorescent or LED lightbulb. Although these bulb do not have the halachic status of a fire, some argue that a halachic fire is not needed for Shabbat candles, and that anything that produces light is sufficient.<ref>Rav Hershel Schachter (“Lighting [[Shabbos]] Candles,” min 36-7) holds that while one may light an incandescent bulb with a bracha, one may not light a fluorescent or neon bulb with a bracha. This opinion is repeated in [http://www.yutorah.org/lectures/lecture.cfm/839951/Rabbi_Hershel_Schachter/Jewish_Heritage_Tour_of_Hungary_Part_10_of_10 this shiur on yutorah.org]. [https://www.torahanytime.com/#/lectures?v=63110 Rav Yitzchak Yosef (Motzei Shabbat Parshat Chukat 5778 min 38)] holds that any light even a florescent or LED light is effective for Shabbat candles. He repeated that on another occasion [https://www.torahanytime.com/#/lectures?v=121546 (Motzei Shabbat Reeh 5780 min 18)] as well. [http://halachipedia.com/documents/5773/4.pdf Rabbi Mordechai Willig (Halachipedia Article 5773 n. 4)] agrees.</ref> This is because the light bulbs essentially accomplish the role<ref>Tosfot [[Shabbat]] 25b</ref> that the traditional [[Shabbat]] candles are intended to serve.<ref>There are two reasons why we light [[Shabbat]] candles. The first is for “Oneg [[Shabbat]]” which requires that the home be illuminated Friday night in order that people not stumble in the dark. The second reason is for “Kavod [[Shabbat]]” which calls for plentiful lighting in honor of [[Shabbat]], as was the custom upon receiving a distinguished guest. </ref> While the use of any form of electric bulb for Shabbat candles should never be relied upon in normal circumstances, it is permissible in extenuating ones. | *Rav Shlomo Zalman (Shemirat Shabbat Kehilchata (ch. 43 fnt. 22) held that using an electric bulb plugged into the wall is questionable since the fuel to keep it lit on Shabbat wasn't present at the time of the lighting. Rav Moshe Feinstein (quoted by Rabbi Tendler in Moreshet Moshe v. 2 p. 51) agreed with this concern.</ref> There is a discussion whether one would be able to make a blessing on a fluorescent or LED lightbulb. Although these bulb do not have the halachic status of a fire, some argue that a halachic fire is not needed for Shabbat candles, and that anything that produces light is sufficient.<ref>Rav Hershel Schachter (“Lighting [[Shabbos]] Candles,” min 36-7) holds that while one may light an incandescent bulb with a bracha, one may not light a fluorescent or neon bulb with a bracha. This opinion is repeated in [http://www.yutorah.org/lectures/lecture.cfm/839951/Rabbi_Hershel_Schachter/Jewish_Heritage_Tour_of_Hungary_Part_10_of_10 this shiur on yutorah.org]. Rav Dovid Yosef (Halacha Brurah v. 15 p. 305 and 472) agrees. He cites Maharshag 2:107, Rivevot Efraim 5:458 quoting Rav Zelzanic, Hacheshmal Lor Hahalacha (siman 3 ch. 6), Torat Hayoledet 38:5 as supporting this distinction. [https://www.torahanytime.com/#/lectures?v=63110 Rav Yitzchak Yosef (Motzei Shabbat Parshat Chukat 5778 min 38)] holds that any light even a florescent or LED light is effective for Shabbat candles. He repeated that on another occasion [https://www.torahanytime.com/#/lectures?v=121546 (Motzei Shabbat Reeh 5780 min 18)] as well. Otzrot Yosef cites Rav Elyashiv (Hilchot Shabbat Bshabbat 1:4:20 and Ashrei Haish 2:6:33) as agreeing with this opinion. [http://halachipedia.com/documents/5773/4.pdf Rabbi Mordechai Willig (Halachipedia Article 5773 n. 4)] agrees.</ref> This is because the light bulbs essentially accomplish the role<ref>Tosfot [[Shabbat]] 25b</ref> that the traditional [[Shabbat]] candles are intended to serve.<ref>There are two reasons why we light [[Shabbat]] candles. The first is for “Oneg [[Shabbat]]” which requires that the home be illuminated Friday night in order that people not stumble in the dark. The second reason is for “Kavod [[Shabbat]]” which calls for plentiful lighting in honor of [[Shabbat]], as was the custom upon receiving a distinguished guest. </ref> While the use of any form of electric bulb for Shabbat candles should never be relied upon in normal circumstances, it is permissible in extenuating ones. | ||
#If one is forced to use the electric lights in one's home as the [[Shabbat]] candles, they should be shut off momentarily and then turned back on in order for them to now be designated as the [[Shabbat]] "candles".<ref>Teshuvot V’hanhagot 2:157</ref> Indeed, every week before the lady of the house lights her [[Shabbat]] candles, she should momentarily turn off the household lights and then turn them back on. When she makes her blessing over the candles she should have in mind that her blessing include the electric lights as well which will also be providing light over the course of [[Shabbat]].<ref>Az Nidberu 1:79, Shemirat Shabbat Kehilchata 43:N171 </ref> Those who are forced to use the electric lights instead of candles should endeavor to turn on even those lights which are not normally used in order for there to be some distinction that the electric lights are in honor of [[Shabbat]].<ref>Tzitz Eliezer 1:20</ref> | #If one is forced to use the electric lights in one's home as the [[Shabbat]] candles, they should be shut off momentarily and then turned back on in order for them to now be designated as the [[Shabbat]] "candles".<ref>Teshuvot V’hanhagot 2:157</ref> Indeed, every week before the lady of the house lights her [[Shabbat]] candles, she should momentarily turn off the household lights and then turn them back on. When she makes her blessing over the candles she should have in mind that her blessing include the electric lights as well which will also be providing light over the course of [[Shabbat]].<ref>Az Nidberu 1:79, Shemirat Shabbat Kehilchata 43:N171 </ref> Those who are forced to use the electric lights instead of candles should endeavor to turn on even those lights which are not normally used in order for there to be some distinction that the electric lights are in honor of [[Shabbat]].<ref>Tzitz Eliezer 1:20</ref> | ||
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[[Category:Shabbat]] | [[Category:Shabbat]] | ||
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{{Shabbat Table}} | |||
