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Electrical impedance

Also known as impedance.

Opposition to alternating electric current combining resistance with frequency-dependent reactance.

Safety notes

  • Include cable, source, load, frequency, and fault-loop behavior when evaluating voltage drop or protection.
  • Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Include cable, source, load, frequency, and fault-loop behavior when evaluating voltage drop or protection.

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.