This course covers the very broad and important area of electrical safety in domestic and industrial installations. Topic areas include, the effects of electric current passing through the human body; lightning hazards; protection of personnel: earthing and double insulation; protection of personnel: residual current detectors; effects of electric and magnetic fields and electromagnetic radiation; electrosurgical hazards; electrical fires and their investigation; electrical safety and the law; electrical safety in hazardous atmospheres: area classification; gas grouping; temperature classification; flameproof protection; intrinsic safety protection; increased safety protection; non-sparking protection; special protection; pressurization or purging protection; encapsulation, sand filled and oil filled protection; dust ignition proof equipment; cabling and terminations; certification, marking and quality control and maintenance requirements.