The IATSE Training Trust Fund (TTF) has 20 great courses, 35-60 mins each. Applications to verify your IA standing are approved within a few days. Visit: https://www.iatsetrainingtrust.org/safetyfirst
Some class examples: Safety for these departments: Rigging, Scaffold, Electrical, Firearms, and Wardrobe/Costume Dept.; plus: Fall Prevention and Protection, Noise Exposure, and Confined Space/Small Space Awareness.