Operating Experience

To further benefit reliability, the NATF makes select products available to the entire industry. The resources below are available for download.

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 Accidential 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, HP, and Training - Substation Incident Involving Hot Stick Equipment (NATF Redacted OER-363)

Safety - Heat Illness (NATF Redacted OER-304)

Safety - Disposable Portable Propane Tank Storage (NATF Redacted OER-366)