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Course Detail

Course Name Electrical Safety
Course Code 15EEE339
Program B. Tech. in Electrical and Electronics Engineering
Credits Campus: Bengaluru, Coimbatore, Amritapuri
Year Taught 2015
Year Taught 2016
Year Taught 2017
Year Taught 2018


Unit 1

Introduction – electrostatics – electromagnetism – stored energy – energy radiation and electromagnetic interference – Working principles of electrical equipment – Indian Electricity Act and Rules – statutory requirements from electrical inspectorate – international standards on electrical safety – first aid – cardio pulmonary resuscitation (CPR).

Unit 2

Primary and secondary hazards – Energy leakage – clearances and insulation – voltage classification – heating effects – electrical causes of fire and explosion – ionization – spark and arc-ignition energy – control – Lightning hazards – Fuse – circuit breakers and overload relays – protection against over voltage and under voltage – safe limits of amperage – voltage – safe distance from lines – capacity.

Unit 3

Earth fault protection – earthing standards – FRLS insulation – grounding – equipment grounding earth leakage circuit breaker (ELCB) – Role of environment in selection – safety aspects in application – protection and interlock self-diagnostic features and fail safe concepts – surge withstand capability test requirements – Classification of hazardous zones – intrinsically safe and explosion proof electrical apparatus – increase safe equipment – their selection for different zones – temperature classification – grouping of gases – use of barriers and isolators -equipment certifying agencies.

Text Books


  • Massimo A. G. Mitolo, “Electrical Safety of Low-Voltage Systems”, McGraw-Hill, USA, 2008.
  • John Cadick, Mary Capelli-Schellpfeffer, Dennis K. Neitzel, ‘Electrical Safety Hand book, McGraw-Hill, New York, USA, 2005.
  • Fordham Cooper, W., “Electrical Safety Engineering” Butterworth and Company, London, 1986.
  • Palmer Hickman, “Electrical Safety-Related Work Practices”, Jones & Bartlett Publishers, London, 2009.

‘Electrical Safety’ is a course offered in B. Tech. in Electrical and Electronics Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.

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