ELECTRICAL POWER DISTRIBUTION SYSTEM CHECKLIST

Created by ChecklistGuro (https://checklistguro.com)

--- GENERAL SYSTEM OVERVIEW & DOCUMENTATION ---
[ ] Describe the overall electrical power distribution system layout.
[ ] Date of Last System Design Review
[ ] Total System Capacity (kVA or kW)
[ ] System Voltage Level(s) (120V, 208V, 480V, Other)
[ ] Upload Single Line Diagram
[ ] Document any known issues or limitations of the system.
[ ] Date of Last Comprehensive System Review
[ ] Type of System Architecture (e.g., Radial, Ring) (Radial, Ring, Other)

--- MAIN INCOMING SERVICE ---
[ ] Main Service Voltage (V)
[ ] Main Service Amperage (A)
[ ] Main Meter Reading
[ ] Last Meter Reading Date
[ ] Service Entrance Condition (Visual) (Excellent, Good, Fair, Poor, Unacceptable)
[ ] Notes/Comments on Service Entrance Condition
[ ] Disconnect Switch Operability (Operates Normally, Needs Lubrication, Needs Repair, Inoperative)
[ ] Service Entrance Photo

--- SWITCHGEAR & DISTRIBUTION PANELS ---
[ ] Panel Voltage (V)
[ ] Panel Ampacity (A)
[ ] Panel Condition (Visual) (Excellent, Good, Fair, Poor, Needs Attention)
[ ] Notes on Panel Appearance/Condition
[ ] Circuit Breaker Operation Test Result (Pass, Fail, N/A)
[ ] Number of Breakers Tripped (if any)
[ ] Details of any Breaker Trips or Abnormalities
[ ] Last Maintenance Date
[ ] Busbar Condition (Clean, Slight Discoloration, Significant Discoloration, Evidence of Corrosion)

--- TRANSFORMERS ---
[ ] Transformer KVA Rating
[ ] Input Voltage (Primary)
[ ] Output Voltage (Secondary)
[ ] Oil Level (inches from sight glass)
[ ] Oil Temperature (Â°C/Â°F)
[ ] Oil Condition (Visual Inspection) (Clear, Slightly Cloudy, Cloudy, Milky, Presence of Sediment)
[ ] Cooling Method (ONAN, ONAN/ONAF, Other (Specify in Long Text))
[ ] Any unusual noises or smells?
[ ] Date of Last Oil Analysis

--- EMERGENCY POWER SYSTEM (EPS) / GENERATOR ---
[ ] Generator Run Time (Hours)
[ ] Voltage Output (V)
[ ] Frequency Output (Hz)
[ ] Last Exercise Date
[ ] Exercise Start Time
[ ] Exercise Results/Observations
[ ] Fuel Level (Approximate) (Full, 75%, 50%, 25%, Empty)
[ ] Coolant Level (Normal, Low, Critical)
[ ] Generator Performance Report (if available)

--- UNINTERRUPTIBLE POWER SUPPLY (UPS) ---
[ ] UPS Input Voltage (VAC)
[ ] UPS Output Voltage (VAC)
[ ] UPS Capacity (kVA or kW)
[ ] UPS Load Percentage (%)
[ ] UPS Status (Online, Standby, Test, Fault) (Online, Standby, Test, Fault)
[ ] Last Battery Replacement Date
[ ] Observations/Notes on UPS Performance
[ ] UPS Event Log (if available)
[ ] Battery Type (VRLA, Flooded, Gel, Other)

--- GROUNDING & BONDING ---
[ ] Ground Resistance Measurement (Ohms)
[ ] Bonding Resistance Measurement (Ohms)
[ ] Grounding Electrode Type (Ground Rod, Plate, Concrete Encased Electrode, Water Pipe, Other (Specify))
[ ] Description of Grounding System Configuration
[ ] Visual Inspection of Grounding Connections (Good, Fair, Poor, Corrosion Present)
[ ] Areas Checked for Bonding (Metallic Water Pipes, Gas Piping, Structural Steel, Building Shell, Equipment Grounding)
[ ] Last Grounding System Inspection Date

--- WIRING & CONDUIT ---
[ ] Conduit Installation Condition Rating (1-5, 1=Poor, 5=Excellent)
[ ] Conduit Damage Observed? (None, Minor Dents/Scratches, Cracks, Kinks, Corrosion, Other (Specify in Long Text))
[ ] If 'Other' damage selected above, please specify:
[ ] Number of Conduit Supports Securely Attached
[ ] Wiring Condition (Overall) (Excellent, Good, Fair, Poor)
[ ] Wiring Degradation Observed? (None, Brittle Insulation, Cracked Insulation, Discoloration, Fraying, Rodent Damage, Other (Specify in Long Text))
[ ] If 'Other' degradation selected above, please specify:
[ ] Wire Identification (Color Coding) Consistency (Consistent, Mostly Consistent, Inconsistent)
[ ] Upload Photo(s) of Conduit/Wiring (if issues found)

--- LOAD MONITORING & ENERGY MANAGEMENT ---
[ ] Total Facility Power Consumption (kWh)
[ ] Peak Demand (kW)
[ ] Power Factor
[ ] Energy Management System (EMS) Status (Operational, Degraded, Offline, Not Applicable)
[ ] Notes on Recent Energy Usage Trends
[ ] Last EMS Software Update Date
[ ] Energy Saving Initiatives Implemented? (LED Lighting Upgrade, HVAC Optimization, Occupancy Sensors, Power Factor Correction, None)
[ ] Baseline Energy Consumption (kWh)

--- SAFETY & COMPLIANCE ---
[ ] Last Safety Audit Date (Within Last Year, More Than a Year Ago, Not Applicable)
[ ] Number of Safety Violations Found in Previous Inspection
[ ] Details of Any Safety Concerns Identified
[ ] Arc Flash Risk Assessment Up-to-Date? (Yes, No, Not Applicable)
[ ] Date of Last Arc Flash Study
[ ] Lockout/Tagout (LOTO) Procedures Reviewed? (Yes, No, N/A)
[ ] Upload of Relevant Safety Certifications (e.g., NFPA 70E)
[ ] Compliance with Local Electrical Codes? (Yes, No, Unsure)

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