Operating Experience
To further benefit reliability, the NATF makes select products available to the entire industry. The resources below are available for download.
115 kV MOAB Switch Failure (Redacted OER-807)
Oil Spilled While Dismantling Transformer (Redacted OER-789)
Safety - Fall from Pole Incident (Redacted OER-764)
Safety - Pole Slide Incident (Redacted OER-736)
Improper Guy Anchor Installations (NATF Redacted OER-716)
Safety Incident during the Removal of 230 kV Bushing (NATF Redacted OER-686)
Safety - Bucket Truck Movement Incident (NATF Redacted OER-672)
Safety - Personal Injury When Lifting Test Equipment (Redacted OER-663)
Safety - Braided Rope Failure Incident (NATF Redacted OER-671)
Safety - Electrical Contact Due to Induced Voltage (Redacted OER-648)
Safety - Roll Away ATV in Right-of-Way (Redacted OER-654)
Safety - Helicopter Incident (Redacted OER-655)
Distribution Circuit Trips When Pulling 138 kV Conductor (Redacted OER-549)
Safety - Common Cause Analysis of Induction Incidents (Redacted OER-623)
Safety - Forklift Incidents (Redacted OER-601)
Safety - Bucket Contact with Distribution Wire over Roadway (Redacted OER-598)
Safety - Lineman Fall Incident (Redacted OER-607)
Safety - Bucket Truck Leveling Malfunction (Redacted OER-627)
Safety - Overhead Line Contacts and Common Cause Analysis (Redacted OER-612)
Safety - Personal Injury - Mulcher Throws Object (Redacted OER-624)
Safety - Tree Contact with Energized Line (NATF Redacted OER-602)
Safety - Near Miss - Reactor Bank Area Entered While Energized (NATF Redacted OER-605)
Safety - Truck Fell Off Lift Incident (NATF Redacted OER-553)
Safety - Line Energized with Grounds Still Attached (NATF Redacted OER-578)
Safety - Vehicle Fire Caused by Propane Torch (NATF Redacted OER-569)
Safety - Circuit Breaker Tips Over During Disassembly (NATF Redacted OER-545)
Safety - Regulator Not Placed in Neutral Position Prior to Bypassing (NATF Redacted OER-434)
Safety - Electrician Enters Minimum Approach Distance on 230 kV Circuit (NATF Redacted OER-529)
Safety - Insufficient Insulation and Drivability of Substation Aggregate (NATF Redacted OER-544)
Safety - Inadvertent Contact with Conductor Having Induced Voltage (NATF Redacted OER-497)
Safety - Faulty Safety Rope Discovered During Training (NATF Redacted OER-547)
Safety - Broken Cover Strap (NATF Redacted OER-540)
Safety - Vehicle Leaf Spring Failure (Redacted OER-525)
Safety - Crane Winch Drum Unexpectedly Free Spooled (NATF Redacted OER-506)
Transmission Line Trip Due to Grounds Left in Place (NATF Redacted OER-517)
Safety - Conductor Broke When Increasing Tension (NATF Redacted OER-498)
HP - Breaker Trip Due to Panel Vibration (NATF Redacted OER-469)
Safety - Vehicle Fire and Brake Loss While Driving (NATF Redacted OER-495)
Safety - Substation Employee Fall Incident (NATF Redacted OER-435)
Safety - Incorrect Live Line Work Location (NATF Redacted OER-499)
Transformer Failure Due to Improper Switching (NATF Redacted OER-489)
Safety - Dropped Ram during Structure Jacking (NATF Redacted OER-471)
Safety - 345-138 kV Grounding Incident (NATF Redacted OER-485)
Safety - Bucket Truck Rollover (NATF Redacted OER-448)
Safety - Equipment and Vehicle Incident Safety Bulletin (NATF Redacted OER-463)
Safety - Stored Energy Hazard in Bushing Capacitors (NATF Redacted OER-476)
Safety - Concrete Pole Accident (NATF Redacted OER-468)
Safety - Worker Injured by Fall While Accessing Bucket on Truck (NATF Redacted OER-429)
Safety - Stored Energy from Switch Handle Strikes Employee (NATF Redacted OER-450)
Safety - Electrical Contact Incident During Underground Cable Replacement (NATF Redacted OER-425)
Safety - Failure of 138 kV Vee Switch Insulator (NATF Redacted OER-420)
Safety - Cutting DC Cable While Energized (NATF Redacted OER-421)
Safety - Climbing Pole Method Causes Injury (NATF Redacted OER-405)
Safety - Lowering Material Injury (NATF Redacted OER-404)
Safety - Caisson Drop Accident (NATF Redacted OER-401)
Safety - Transmission Tower Climber (NATF Redacted OER-264)
Safety - Improper Installation of Safety Grounds (NATF Redacted OER-216)
Safety - Bee Attack on Line Crew (NATF Redacted OER-251)
Safety - Transformer Electrical Shock Incident (NATF Redacted OER-303)
Safety - Air Blast Breaker Muffler Injury (NATF Redacted OER-318)
Safety - Moisture Testing of SF6 Gas (NATF Redacted OER-365)
Safety - Employee Falls and Sustains Injury (NATF Redacted OER-308)
Safety - Pole Splicing Rigging Plates (NATF Redacted OER-272)
Human Performance - HP Leads to Accidental Tripping of Breaker (NATF Redacted OER-292)
Safety - Employee Receives Electrical Shock at Remote Site (NATF Redacted OER-309)
Safety - Operating Experience, Human and Organizational Performance (NATF Redacted OER-298)
Safety and HP - Electrician Falls From Truck (NATF Redacted OER-370)
Safety - Engulfment Risk (NATF Redacted OER-371)
Safety - Disposable Portable Propane Tank Storage (NATF Redacted OER-366)
Safety, HP, and Training - Substation Incident Involving Hot Stick Equipment (NATF Redacted OER-363)