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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 </ref> | # It is forbidden to speak into a tape recorder even if the recorder was turned on before [[Shabbat]]. <ref>Menuchat Ahava 24:13 </ref> | ||
# It is forbidden to press an electric doorbell on [[Shabbat]]. <ref>Menuchat Ahava 24:14 </ref> | # It is forbidden to press an electric doorbell on [[Shabbat]]. <ref>Menuchat Ahava 24:14 </ref> | ||
# It is forbidden to use a regular elevator on [[Shabbat]]. Some allow using a '[[Shabbat]] elevator' which stops at every floor, while others forbid, and some say one may go up in the [[Shabbat]] elevator but not down. It is forbidden to touch the elevator doors when they are closing. <ref>Shemirat | # It is forbidden to use a regular elevator on [[Shabbat]]. Some allow using a '[[Shabbat]] elevator' which stops at every floor, while others forbid, and some say one may go up in the [[Shabbat]] elevator but not down. It is forbidden to touch the elevator doors when they are closing. <ref>Shemirat Shabbat KeHilchata 23:29 permits uses a [[Shabbat]] elevator on [[Shabbat]]. Sefer Maliyot Be[[Shabbat]] (chapters 1 and 7) holds that one may go up in the elevator but not down. Menuchat Ahava 24:15-6 concludes that one shouldn't use the [[Shabbat]] elevator to go up or down unless there is a great need in which case he is lenient to allow going up in the [[Shabbat]] elevator. </ref> | ||
# It's permitted to open a refrigerator door when the motor is running as long as the light was disabled from before [[Shabbat]], however, when it is not running it's proper not to open the refrigerator. <ref> | # It's permitted to open a refrigerator door when the motor is running as long as the light was disabled from before [[Shabbat]], however, when it is not running it's proper not to open the refrigerator. <ref> | ||
* Sh"t Tzitz Eliezer 8:12(4) and 12:92, Eidut LeYisrael p. 122 and 151, Sh"t Minchat Shlomo 1:10, and Shabbos Home (Rabbi Simcha Cohen, vol 2, pg 482) quoting Rav Moshe (even though he was strict in his Teshuvot) are lenient to allow opening the refrigerator even when the motor is off. | * Sh"t Tzitz Eliezer 8:12(4) and 12:92, Eidut LeYisrael p. 122 and 151, Sh"t Minchat Shlomo 1:10, and Shabbos Home (Rabbi Simcha Cohen, vol 2, pg 482) quoting Rav Moshe (even though he was strict in his Teshuvot) are lenient to allow opening the refrigerator even when the motor is off. | ||
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* Sh"t Yabia Omer OC 1:21 and Menuchat Ahava 24:19 writes that it's very proper not to open the refrigerator except when the motor is running. Shemirat [[Shabbat]] Kehilchata (10:12) recommends setting the refrigerator to a timer. </ref> | * Sh"t Yabia Omer OC 1:21 and Menuchat Ahava 24:19 writes that it's very proper not to open the refrigerator except when the motor is running. Shemirat [[Shabbat]] Kehilchata (10:12) recommends setting the refrigerator to a timer. </ref> | ||
==Setting timers before [[Shabbat]]== | ==Setting timers before [[Shabbat]]== | ||
# It is permitted before [[Shabbat]] to set a timer for lights or other electric appliances to go on or off on [[Shabbat]].<ref>Sh"t Maharam Shik 157, Chazon Ish 38:2, Shemirat | # It is permitted before [[Shabbat]] to set a timer for lights or other electric appliances to go on or off on [[Shabbat]].<ref>Sh"t Maharam Shik 157, Chazon Ish 38:2, Shemirat Shabbat KeHilchata 13:26, Menuchat Ahava 24:30, Sh"t Yabea Omer 3:17 </ref> | ||
# One may set an alarm clock before [[Shabbat]] even though it will make noise on [[Shabbat]]. <ref>The Shabbos Home (Rabbi Simcha Cohen, vol 2, pg 537) and Sh"t Maharshag YD 1:7(2) permit. However, Sh"t Igrot Moshe 4:70(4) only permits if it is not heard outside his personal room. See Shemirat | # One may set an alarm clock before [[Shabbat]] even though it will make noise on [[Shabbat]]. <ref>The Shabbos Home (Rabbi Simcha Cohen, vol 2, pg 537) and Sh"t Maharshag YD 1:7(2) permit. However, Sh"t Igrot Moshe 4:70(4) only permits if it is not heard outside his personal room. See Shemirat Shabbat KeHilchata 28:29 (and 28:30 in new edition) who permits before [[Shabbat]] for mitzvah purposes setting a mechanical alarm clock that involves removing a pin (see there). </ref> See [[Making music on [[Shabbat]]]]. | ||
# Some forbid leaving a digital photo frame which presents a slideshow of pictures set from before [[Shabbat]] to continue during [[Shabbat]]. <ref>[http://www.ou.org/webcast_kosher Rav Hershel Schachter] (OU Kosher Webcast, 2011, min 16-8) </ref> | # Some forbid leaving a digital photo frame which presents a slideshow of pictures set from before [[Shabbat]] to continue during [[Shabbat]]. <ref>[http://www.ou.org/webcast_kosher Rav Hershel Schachter] (OU Kosher Webcast, 2011, min 16-8) </ref> | ||
==Sending email on Friday== | ==Sending email on Friday== | ||
