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Hatmana: Difference between revisions
From Halachipedia
→Insulating on Shabbat
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# On [[Shabbat]] one is not allowed to insulate food whether it is cooked or raw from all sides even if one uses material that doesn’t preserve heat like clothing or cloth because of the Gezerah that one will find the food cold and come to heat it up. <Ref> Shulchan Aruch 257:1-2, Shemirat [[Shabbat]] KeHilchata 1:65 </ref> | # On [[Shabbat]] one is not allowed to insulate food whether it is cooked or raw from all sides even if one uses material that doesn’t preserve heat like clothing or cloth because of the Gezerah that one will find the food cold and come to heat it up. <Ref> Shulchan Aruch 257:1-2, Shemirat [[Shabbat]] KeHilchata 1:65 </ref> | ||
## It is forbidden to immerse an unopened can in hot water even if it’s fully cooked and even if the water is off the fire. <ref>Mishna Brurah 258:2, Shemirat [[Shabbat]] KeHilchata 1:75 </ref> | ## It is forbidden to immerse an unopened can in hot water even if it’s fully cooked and even if the water is off the fire. <ref>Mishna Brurah 258:2, Shemirat [[Shabbat]] KeHilchata 1:75 </ref> | ||
# According to Ashkenazim, it’s permissible to insulate a pot that’s on the fire if the insulation doesn’t come into contact with all (6) sides of the pot only if the food is fully cooked and the food is liquid it must still not have completely cooled. <Ref>Shemirat [[Shabbat]] KeHilchata 1:66 </ref> | # According to Ashkenazim, it’s permissible to insulate a pot that’s on the fire if the insulation doesn’t come into contact with all (6) sides of the pot only if the food is fully cooked and the food is liquid it must still not have completely cooled. <Ref>Shemirat [[Shabbat]] KeHilchata 1:66 </ref> | ||
## With respect to hatmana there is no issue of leaving food in an oven before or on Shabbat since the food isn't touching the heating element.<ref>Orchot Shabbat 2:86</ref> However, regarding Hachzara or Shehiya see [[Permissible_ways_to_heat_up_food_on_Shabbat#Ovens_with_Shabbos_Mode|the article on heating up foods on Shabbat]]. | |||
# It’s permissible to insulate a Kli Sheni with cloth. <Ref>Shemirat [[Shabbat]] KeHilchata 1:68 </ref> | # It’s permissible to insulate a Kli Sheni with cloth. <Ref>Shemirat [[Shabbat]] KeHilchata 1:68 </ref> | ||
# It is forbidden on Shabbat to insulate a cold pot that is on top of a hot pot off the fire even if one only uses clothes.<ref>Mishna Brurah 258:2</ref> | # It is forbidden on Shabbat to insulate a cold pot that is on top of a hot pot off the fire even if one only uses clothes.<ref>Mishna Brurah 258:2</ref> | ||
