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Title:

Basic Electricity

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Use only one hand when working on live circuits. Avoid contact with a HOT' lead. ... Circuit Conditions. Short circuit. A circuit which current bypasses the load ... – PowerPoint PPT presentation

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Title: Basic Electricity


1
Basic Electricity
  • ELECTRICITY The flow of electrons
  • FORMS Static and dynamic
  • SOURCES Man made and natural
  • TYPES AC and DC
  • ELECTRICAL DEVICE Single component
  • ELECTRONIC DEVICE Many components working
    together. Contains solid-state devices.

2
Basic Electricity
  • Atom
  • Electron Neg. Charge
  • Proton Pos. Charge
  • Neutron neutral or no charge
  • Basic circuits contain
  • Source
  • Path
  • Load

3
Basic Electricity
  • Factors
  • Lazy
  • Takes the least path of resistance
  • Likes to go to ground
  • Human shock factor Current can harm you
  • Human senses
  • Taste
  • Smell
  • Sight
  • Hearing
  • Touch

4
Basic Electricity Safety
  • Insulate your self.
  • Stand on a dry nonconductive surface.
  • Turn off power source when ever possible.
  • Wear safety glasses.
  • Use only one hand when working on live circuits.
  • Avoid contact with a HOT lead.
  • Remember electricity is LAZY. If your
    electricitys only path YOU will get SHOCKED.
  • Keep the work area clean.

5
Basic ElectricityCircuit Conditions
  • Complete circuit
  • Contains source - path - load
  • Open circuit
  • No current flow - a break in the circuit
  • Closed circuit
  • Current flow complete circuit with no break

6
Basic ElectricityCircuit Conditions
  • Short circuit
  • A circuit which current bypasses the load
  • Maximum current will flow
  • Overload
  • Excessive current flow
  • Circuit will become over heated

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