I. accident history
In January of a certain year, a factory carried out 110kv 4 busbar cleaning and 115 switch oil changing work. Electrical director without authorization to expand the scope of work, decided to clean 115-4 gate, not only did not deal with the work ticket, and the wrong ladder moved to the live 114-4 gate, at the same time remove the 114-4 gate at 114-4 "stop, high voltage danger" warning sign. Inspectors arrived at the scene, also did not check the number of the brake, boarded the electric brake, arc burn to death.
Cause and exposure problems
1. The leader seriously violates the rules and regulations and decides to expand the scope of work without authorization;
2. Serious violation of rules and regulations;
3. The electrical director removes the safety warning board without authorization;
4. The inspector did not check the number of the switch.