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Safety and power · safety

Safety factor

Also known as factor of safety.

The ratio between ultimate strength and permitted working stress or load under defined conditions.

Safety notes

  • Use the governing standard and qualified design; never invent a factor to justify undocumented equipment.
  • Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Use the governing standard and qualified design; never invent a factor to justify undocumented equipment.

Explore related entries

Sources

  1. Electrical Safety Glossary · Occupational Safety and Health Administration
  2. Recommended Practices for Safety and Health Programs · Occupational Safety and Health Administration

Educational reference only. Requirements vary by jurisdiction, employer, venue, and production context.