Safety and power · safety
Three-phase power
An alternating-current system using three phase-shifted waveforms for efficient power distribution.
Safety notes
- Only qualified workers configure phases, neutral, rotation, grounding, and protection.
- Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.
In practice
Only qualified workers configure phases, neutral, rotation, grounding, and protection.
Explore related entries
Sources
- Recommended Practices for Safety and Health Programs · Occupational Safety and Health Administration
- Electrical Safety Specification for Motion Picture Production · Entertainment Electrical Safety Association
Educational reference only. Requirements vary by jurisdiction, employer, venue, and production context.