I mean, not for a lot of food production. We had Halal cert at our grain mill and a few other places I’ve worked at, and we never treated the food differently. Same with Kosher. They just send someone out to extort your business for certificate renewal.
Do you mean inductive load rather than magnetic load? Or are all inductive loads attributed to electromagnets?
Edit: also, don’t like… a lot of appliances create inductive loads?