National Home Inspector Examination Preparation2023 Content OutlineRegister for NHIE
Domain 1

Electrical Systems

Service, panels, grounding and bonding, wiring methods, overcurrent protection, GFCI/AFCI, devices, alternative energy, and EV equipment.

Service and equipment

Identify service type, approximate amperage, grounding and bonding, panel condition, and accessible disconnects.

Branch circuits and devices

Look for overfusing, double taps, open splices, damaged conductors, reverse polarity, open grounds, and failed GFCI/AFCI protection.

Inspection safety

Do not remove unsafe covers, touch energized components, or exceed the inspection's visual and normal-control scope.

Common exam traps

  • Removing unsafe panel covers
  • Calling every double tap acceptable
  • Repairing wiring during the inspection
Module progressNot completed