Until when must the eruv remain intact — only at bein hashmashot, or throughout Shabbat — and when may it be eaten?
Synopsis
The eruv need only be intact at bein hashmashot; once Shabbat has definitely begun (vadai chashecha), it may be eaten. The custom to break bread upon it on Shabbat morning (shachrit) is also discussed.
More in Shabbat Travelers and Eruv Boundary
If the validity of an eruv is in doubt (e.g., it is uncertain whether it existed at bein hashmashot), is it valid?
7 opinions across 3 eras
Must an eruv be physically accessible (possible to take) at bein hashmashot, and what if it is buried under rubble requiring a shovel to retrieve?
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If the eruv was locked in a cabinet/tower (migdal) and the key was lost before bein hashmashot, requiring Torah-level labor to retrieve it, is the eruv valid?
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Is it preferable to make a new eruv each week (erev Shabbat) or to make a single annual eruv?
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Discussion
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