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Safety and power · safety

Ampacity

The maximum current a conductor may carry continuously under stated conditions without exceeding its temperature rating.

Safety notes

  • Apply conductor material, insulation, bundling, ambient temperature, connectors, duty, and code adjustment factors.
  • Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Apply conductor material, insulation, bundling, ambient temperature, connectors, duty, and code adjustment factors.

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.