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Sholespresentation Sholespresentation Presentation Transcript

  • Electrical Safety
    By Rodney Sholes
  • Table of Contents
    Abstact
    History
    What is Electricity
    Dangers of Electricity
    Causes of Electrical Mishaps
    Safety Procedures
    Works Cited
  • Abstract
    The purpose of this report is to outline the importance of electrical safety by giving examples of unsafe electrical practices and their effects.
    This report will also show proper procedures when dealing with electricity and the importance of protective equipment.
  • History
    Man’s fascination with electricity can be traced back to the early 1700’s
    Electrical engineering is now the largest branch of the engineering field.
    Electricity is now a major part of everyday life
  • What is Electricity
    Electricity is a group of negatively charged electrons
    In order for electricity to flow it requires a circuit
    The flow of electrons is called current
    That flow is caused by voltage
  • Dangers of Electricity
    Effects of Current in the Human Body
    .001 amperes is enough to cause a slight shock
    .1 amperes if held for more than a second can be fatal
    From 1982 – 1994 electrocutions were the fifth leading cause of workplace fatalities.
  • Causes of Electrical Mishaps
    Electrical overloads
    A larger current exists than was intended for the conductor
    Electrical Shorts
    A current is provided an alternate path than the one that was designed in the circuit
    The alternate path can not handle the amount of current passing through it
  • Safety Procedures
    Always wear proper safety equipment
    Gear that acts as an insulator
    Never handle electricity when wet
    Replace or repair equipment that is not functioning properly
    Ensure equipment is properly grounded
    Use surge protectors, fuses and circuit breakers to protect against shorts and overloads
  • Works Cited
    Boylestad, Robert L. Introductory Circuit Analysis. 11thed.New Jersey: Pearson Prentice Hall, 2007
    Dunsheath P. A History of Electrical Engineering. London: Faber 1962
    “Lack of Ground-Fault Protection”. United States Department of Labor.<http://www.osha.gov
    /SLTC/etools/construction/electrical_incidents/
    ground_faults.html>
    Fundamentals of Engineering Technology. Illinois: Schoolcraft Publishing, 2005
    “Work Deaths by Electrocution”. National Institute for Occupational Safety and Health (NIOSH). May 29 2009. <http://www.cdc.gov/niosh/doc/98-131/>