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Field glossary

OCPD

Overcurrent protective device, the breaker or fuse whose rating sets the minimum EGC size

Used across 6 Anvilfield field guides, most in Electrical.

Also defined as

  • Overcurrent protective device, the breaker or fuse that protects the conductor
  • Overcurrent protective device, the breaker or fuse that opens on overcurrent

Where this shows up

ElectricalEGC sizing (NEC 250.122)ElectricalOvercurrent protection guideElectricalFeeder and branch circuit sizingElectricalUL 508A control panel and SCCRElectricalSelective coordination field guideElectricalEV feeder sizing walkthrough

Related terms

Available fault currentEGCContinuous loadLSIGAICAmpacityDemand loadEMS / EVEMS

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