Halachic Status of Chatzer in today’s apartment buildings regarding Ner Chanukah and Nizkei Shecheinim.
Bava Basra 20B and Ch”m 156 (2)
Bava Basra 23A and Ramah 156 (2)
Bava Basra 59B
Orech Chaim 671 and Chazon Ish
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