NEBOSH IGC 2 培训课件资料 E5 第五讲.ppt

IGC2ELEMENT 5;LEARNING OUTCOMES;Electrical Terms (1);Electrical Terms (2);Electrical Terms (3);Nature of Electricity;Electrical Circuit;Electrical Power;Electric Power Example;Main Dangers of Electricity;Severity of Electric Shock;If a Person has received an electric shock;Causes of Electrical Fire;Main Dangers of Electricity;Main Dangers of Electricity;Effects of Electricity on Human Body ;Effects of Electricity on Body ;MODEL QUESTION;Electricity Protection Devices;Fuse ;Circuit Breakers;Earthing;Isolation;Reduced Voltage Systems ;Residual Current Devices (RCD);Double Insulation;Battery Operated Tools;Precautions for Working Live; Plug;MODEL QUESTION;Precautions;MODEL QUESTION;User checks Formal visual inspection Combined inspection and test (Portable Appliance Testing);Manufacturer’s recommendations Age of equipment Robustness of equipment Double insulated or earthed Type of cable (e.g. armoured) Extent of use Users of equipment Environment Abuse or misuse History of equipment (results of previous inspections);MODEL QUESTION;Reason to keep records of inspection and testing of electrical equipment ;Emergency Procedures