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Article 242 - Overvoltage Protection

Chapter 2 - Wiring and ProtectionSurge / SPD

Surge protective devices and overvoltage protection requirements.

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Reference rule: This card is a field index/bookmark, not the full NEC article text. Verify exact language, exceptions, tables, and local amendments against your licensed 2020 NEC and the AHJ.

Article 230 Article 250 Article 285 Back to Filter Full Index

Local GIES Note / Field Interpretation

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