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Electricity on Shabbat: Difference between revisions
From Halachipedia
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==Using Electric Appliances== | ==Using Electric Appliances== | ||
# It is forbidden to turn on any electric device whether it is plugged into the wall or runs on batteries. <ref>Menuchat Ahava 24:2 holds that the prohibition involved is that by completing the circuit one creates an electric current in the wire like there is a prohibition to create a fire (Molid) on [[Shabbat]]. </ref> | # It is forbidden to turn on any electric device whether it is plugged into the wall or runs on batteries. <ref>Menuchat Ahava 24:2 holds that the prohibition involved is that by completing the circuit one creates an electric current in the wire like there is a prohibition to create a fire (Molid) on [[Shabbat]]. </ref> | ||
# According to many poskim it is Biblically forbidden to turn on an incandescent and fluorescent light bulb. However, if one needs to turn on a light for someone who is mortally sick (see [[Medicine on | # According to many poskim it is Biblically forbidden to turn on an incandescent and fluorescent light bulb. However, if one needs to turn on a light for someone who is mortally sick (see [[Medicine on Shabbat]]) one should turn on a fluorescent instead of an incandescent light bulb. <ref>Menuchat Ahava 24:3-4 </ref> | ||
# According to many poskim it is Biblically forbidden to turn on oven or warming plate. <ref>Menuchat Ahava 24:3 </ref> | # According to many poskim it is Biblically forbidden to turn on oven or warming plate. <ref>Menuchat Ahava 24:3 </ref> | ||
# In Israel, the widespread minhag is to leave electric appliances running on [[Shabbat]] even though the electric companies are run by Jews who violate [[Shabbat]]. <ref>Menuchat Ahava 24:1 </ref> | # In Israel, the widespread minhag is to leave electric appliances running on [[Shabbat]] even though the electric companies are run by Jews who violate [[Shabbat]]. <ref>Menuchat Ahava 24:1 </ref> | ||
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==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 Shabbat KeHilchata 13:26, Menuchat Ahava 24:30, Sh"t Yabea Omer 3:17 </ref> | # 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 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 | # 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== | ||
