Mishna B'rura 264:1 says: The reason for the invalidity of [certain] wicks and oils [for the Shabas lights] is that they do not shine well and we're afraid he may tilt the lamp so the oil within ...
I'd be very interested to know if anyone has definitive advice on which types of light bulbs are considered an issur d'rabbanan (Rabbinic prohibition) vs an issur d'oraita (Torah prohibition) to turn ...
I have heard that some don't use electricity made by the Israeli Electric company on Shabbos and only use generators. However, I have seen people who do use public electricity on Shabbos. What are ...