simpl.
Property Inspection Command Center 21 items

Standby Generator Inspection

A condition and functional inspection of a permanently installed standby generator and automatic transfer switch, covering fuel supply, clearances, exercise/transfer operation, and safety interlocks.

NFPA 110NEC Article 702Manufacturer Specs

Free PDF · enter your email to download.

Unit Information

  • Property address *
  • Generator manufacturer and rated output (kW) *
  • Fuel type *
  • Automatic transfer switch (ATS) is present *
  • Runtime hours displayed on the controller

Placement and Clearances

  • Unit is set on a level, stable pad clear of vegetation and debris *
  • Clearances from windows, doors, and combustibles meet manufacturer/code minimums *
  • Exhaust discharges away from building openings and air intakes *
  • Enclosure is intact with no corrosion or pest intrusion

Fuel and Electrical Connections

  • Fuel line and shutoff valve are installed with no leaks or corrosion *
  • Diesel fuel level and tank containment are adequate (if applicable)
  • Wiring, conduit, and grounding are secure and weatherproof *
  • Battery is charged, terminals are clean, and charger is functioning *

Functional Test

  • Generator starts on manual/exercise command within normal crank time *
  • ATS transfers load on simulated utility loss and re-transfers on restoration *
  • Voltage and frequency stabilize within tolerance under load
  • No abnormal noise, vibration, smoke, or alarm during operation *

Maintenance and Findings

  • Oil, coolant, and air filter show routine maintenance
  • Exercise schedule is set on the controller
  • Deficiencies and recommendations
  • Photo of the unit and data plate

Download the full Standby Generator Inspection checklist

Get it as a clean, printable PDF — free.