QUESTION

Chicago, IL

If I have an electric countertop burner that I put on a timer for yom tov, can I adjust the heat setting while the burner is on? Does it matter if I’m turning the heat up when the burner is already on or down when it’s already off (there’s a light that says if it’s currently heating or not)?

Do you have general guidelines on interacting with electronic devices on Shabbat/Yom Tov?

ANSWER

There are two issues here – havarah/mekhabeh (igniting/extinguishing), and use of electronics.

1. Regarding […]