There’s no way to tell if a downed power line is energized. Stay 10 metres away to stay safe.
I’ve used BC Hydro programs for several years now and find them so useful. I teach a once-a-week class to homeschoolers and find the materials easily adaptable to multiple grades.
B.C. teacher
I was very pleased with the resources and videos. They led to a great discussion about electricity and safety around it.