California.

Heavily regulated with Cal/OSHA overlay. Expect longer lead times and stricter enforcement than any other state.

1. § 01

   Guardrail height range 42-45 inches — strictest nationally (most states allow 42")

2. § 02

   Tent fabric must carry a physical California State Fire Marshal certification seal

3. § 03

   10+ pyrotechnics license subcategories with 8 supervised displays required for basic license

4. § 04

   Cal/OSHA fall protection triggers at 7.5 ft vs federal 4 ft

5. § 05

   Only recognizes Arizona for electrical license reciprocity