Hazardous energy

/hǽzɚḍəs | -zə-/
Radiation Emergency Preparedness and Response - Response | Occupational Safety and Health Administration

Hazardous energy, including electrical, mechanical, hydraulic, pneumatic, chemical, thermal, or other energy that may be hazardous if it is unexpectedly released or discharged, or if worker contact occurs.
予期せず放たれた場合に、あるいは作業者との接触が起きた場合に害を及ぼすおそれのある電気的、機械的、油圧、空気圧、化学的、熱的などのエネルギーのこと。