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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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[[Category:Shabbat]] | [[Category:Shabbat]] | ||
<references /> | <references /> | ||
{{Shabbat Table}} | |||
