Safety & code compliance
Industry Term

Module-Level Shutdown

Module-level shutdown reduces voltage at or near each PV module when a rapid shutdown event is initiated.

What does Module-Level Shutdown mean?

Module-level shutdown reduces voltage at or near each PV module when a rapid shutdown event is initiated.

What should installers verify about Module-Level Shutdown before relying on it for safety or compliance?

Safety and code terms should be read together with the applicable code edition, authority having jurisdiction, equipment listings, and manufacturer instructions. A glossary definition can explain the concept, but it should not be treated as a substitute for project-specific code review.

Practical design considerations

  • Confirm the applicable code edition and local authority having jurisdiction before making a compliance statement.
  • Match the term to listed equipment and the manufacturer's installation instructions.
  • Avoid broad safety claims unless the exact product, configuration, and source are known.

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