TLE

• Electrical tools


  • Make work easier, faster and efficient
  • Improper use can cause injuries
• Appropriate personal protective equipment should be used while doing electrical tasks or jobs
• Common electrical tools


  • Screwdrivers
  • Hammers
  • Pliers
  • Wire stripper
  • Electrician's knife
  • Portable electric drill
• Screwdrivers


  Tools made of steel, hardened and tempered at the teeth, used to loosen or tighten screws with slotted heads
• Types of screwdrivers


  • Standard/flat screwdriver
  • Phillips screwdriver
  • Stubby screwdriver
  • Allen screwdriver/wrench
• Hammers


  Tools used in driving or pounding and pulling out nails, made of hard steel, wood, plastic or rubber
• Types of hammers


  • Claw hammer
  • Mallet/rubber head hammer
  • Ball peen hammer
• Pliers


  Tools made from metal with insulators in the handle, used for cutting, twisting, bending, holding and gripping wires and cables
• Types of pliers


  • Combination/linesman's pliers
  • Side cutting pliers
  • Long nose pliers
• Wire stripper


  Tool used for removing insulation from wires ranging from gauge number 10 to gauge number 16
• Electrician's knife


  Used by a lineman to remove insulation of wire and cables in low and high voltage transmission lines
• Portable electric drill


  Small drilling tool with a chuck capacity of 1/4 inch to 1/2 inch, used for making holes on metal sheets and concrete walls
• Common electrical materials


  • Convenience outlet
  • Male plug
  • Lamp holders
  • Switch
  • Fuse
  • Circuit breaker
  • Junction box
  • Utility box
  • Flat cord
  • Electrical wire/conductor
  • Conduits
• Convenience outlet


  Device that acts as a convenient source of electrical energy for current consuming appliances
• Types of convenience outlets

  • Surface type
  • Flush type
• Male plug


  Device inserted into a convenience outlet to allow the flow of electric current, used in making extensions
• Lamp holders


  Devices that hold the lamp, also called lamp sockets or ceiling receptacles
• Switch


  Device that connects and disconnects the flow of electric current in a circuit
• Fuse


  Circuit protective device that automatically flows and cuts the current when overload or short-circuit occurs
• Circuit breaker


  Protective device that automatically trips and cuts the current when a fault such as short-circuit or overload occurs
• Junction box


  Octagonal shaped electrical material where connections, joints or termination of wires are being done
• Utility box


  Rectangular shaped metallic, plastic or PVC material in which flush type convenience outlet and switch are attached
• Flat cord


  Duplex stranded wire used for temporary wiring installation, commonly used in extension cord assembly
• Electrical wire/conductor


  Means by which electrical current will flow, usually made of copper or aluminum with or without outside insulation
• Types of electrical wire/conductor

  • Stranded wire
  • Solid wire
• Types of conduits


  • Rigid steel conduit (RSC)
  • Flexible non-metallic conduit (FNMC)
  • Rigid non-metallic conduit (PVC)
  • Electrical metallic tubing (EMT)
  • Flexible metal conduit (FMC)
  • Liquid tight flexible metal conduit (LFMC)
• Conduits


  Pipes used to protect wires and route electrical wiring throughout the building
• Hub clamps


  Electrical materials used to hold and anchor electrical conduits to their proper position
• Connectors


  Used to attach metallic or non-metallic conduit to the junction or utility boxes
• INSULATOR

  a material which does not easily allow heat and/or electricity to pass through it. Plastic, wood, rubber and glass are examples of good insulators.