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The Kitzur Shulchan Aruch Siman 100 argues quite forcefully that it is a Kohain's duty to duchen when called upon to do so. As such, regardless of his personal minhag, if the Kohainim are called to duchen, he should do so. "Any kohein who is not disqualified and does not go up to the duchan violates a positive commandment. But he is not ...


Newer dimmer switches work by a computerized circuit: pushing the switch causes a circuit board to relay to a motor to adjust the resistance on the wire, where more resistance translates to a dimmer light, and vice versa. Other models involve applying electric currents through a coil, which moves the resistor. These would clearly be a problem whether you ...

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