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Electrical hand tools and equipment

Teacher à Our Lord of Mercy School of Caloocan Inc.
15 Jun 2019
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Electrical hand tools and equipment

  1. Objectives: At the end of the period, at least 75% of the learners should be able to: a. Identify the different electrical hand tools b. Explain the function and operation of electrical tools and equipment c. Sustain interest in explaining the uses and function of tools and equipment used in electrical installation and maintenance d. Classify tools according to its specification, uses and function
  2. VOCABULARY WORDS Electrical - relating to electricity Hand Tools – is anything that is held in the hand or hands to assist a person in doing manual work. Equipment – any machine powered by electricity or for protection Materials – consumable Tool kit - a small bag or box equipped with hand tools.
  3. VOCABULARY WORDS Splicing – connecting two lengths of conductor, to join ropes or wires by weaving or twisting them together. Stripping – removing the insulation of connecting wires.
  4. Electrical tasks can be accomplished systematically to save time, effort, and Resources. Most of the work cannot be done using bare hands. To do the task, electrical tools or equipment are needed to perform the job. This lesson will discuss the function/use of each tool or equipment used in electrical wiring installations.
  5. Basic Electrical Hand Tools and Equipment A. Driving Tools Screwdrivers – These are used to loosen or tighten screws with slotted heads and come in various sizes and shapes.
  6. Types of Screwdriver Standard/Flat Screwdriver- The blade tip is wedge shaped and resembles a negative (- sign. This is used to drive screws with a single slot head.
  7. Types of Screwdriver Philips Screwdriver- This has a cross tip resembling a positive (+) sign. This is used to drive screws with cross slot heads.
  8. Types of Screwdriver Stubby Screwdriver This comes in either standard or Philips screwdriver with short shank or blade and a shorted handle used to turn screws in tight spaces where a standard screwdriver cannot used.
  9. Types of Screwdriver Allen Screwdriver/Wrench- This could be in the shape of screw driver or a wrench, its function is to drive a screw with hexagonal slot head.
  10. B. Striking Tools Hammers - These are tools used in driving or pounding and pulling out nails. They are made of hard steel plastic, or rubber.
  11. B. Striking Tools Types of Hammer Claw Hammer Mallet (Rubber Head) Ballpeen Hammer
  12. C. Splicing / Gripping / Holding Tools Pliers - These tools are made from metal with insulators in the handle and are used for cutting, twisting, bending, holding, and gripping wires and cables.
  13. Combination Pliers (Linesman’s Pliers) - This is used for gripping, holding, and cutting electrical wires and cables and even small nails. They are usually used by linemen in doing heavy tasks.
  14. Side Cutting Pliers - This type of pliers is used for cutting fine, medium, and big and cable.
  15. Long Nose Pliers - This is used for cutting and holding fine wires. This can reach spaces or small openings where other pliers cannot reach and is also used in making terminal loops of copper wires.
  16. Wire Stripper - This is a tool used for stripping or removing the insulation of connecting wires ranging from gauge #10 to gauge #16.
  17. D. Cutting Tools Electrician’s Knife - This is used by linemen to remove insulation of wire and cables in low and high voltage transmission lines.
  18. Hacksaw - This tool is used for cutting pipes/conduit and cables. It is also used for cutting big conductors.
  19. Activity Direction: Classify the following electrical tools and equipment according to their specification, uses and function. Ex. Screwdriver - Driving Tool 1. Claw Hammer 2. Electrician’s Knife 3. Combination Pliers 4. Allen Wrench 5. Wire Stripper
  20. Activity Direction: Classify the following electrical tools and equipment according to their specification, uses and function. Ex. Screwdriver - Driving Tool 1. Claw Hammer 2. Electrician’s Knife 3. Combination Pliers 4. Allen Wrench 5. Wire Stripper
  21. Activity Answer Key: 1. Claw Hammer – Striking Tool 2. Electrician’s Knife – Cutting Tool 3. Combination Pliers – Splicing, Cutting, Gripping Tool 4. Allen Wrench – Driving Tool 5. Wire Stripper – Splicing and Cutting Tool
  22. Quiz Direction: Identify the following electrical hand tools. Choose your answer from the given option and write it at the back of your big notebook.
  23. 1. 2. 3. 4. 5. Choices: Flat Screwdriver, Philips Screwdriver, Long Nose Pliers, Hacksaw, Wire Stripper
  24. Assignment:  Read and study the continuation of the lesson about Boring, Soldering, Measuring Tools and Equipment.  In your big notebook, draw at least 10 electrical tools and equipment that can be found in your home or community. Afterwards label its name.  Reference: Grade 8 K to 12 Electrical Installation and Maintenance Exploratory Course Learning Module/Hand-outs pages 6-9.
  25. Objectives: At the end of the period, at least 75% of the learners should be able to: a. Identify the different electrical hand tools b. Describe the function and uses of electrical tools under boring, soldering and measuring classification c. Show active participation in discussing the classification and function of tools used in electrical installation and maintenance d. Classify tools according to its specification, uses and function
  26. E. Boring Tools Portable Electric Drill - A small drilling machine with a chuck capacity of ¼ to 3/8 inch. It is used in making holes on metal sheets and concrete walls.
  27. Gimlet – This is a wire like boring tool used in making initial holes for split knob screws.
  28. F. Soldering Tools Soldering Iron – This is used to solder connecting wires.
  29. Desoldering Tool/Pump – This is used for removing soldered wires.
  30. Soldering Tool Stand – is a place where the soldering iron is placed during usage.
  31. H. Measuring Tools Micrometer – This is used to measure diameter and thickness of cables, wires or conductors.
  32. Push-pull rule – used to measure the length of an object in centimeter and inches. This is also used to measure heights for switches and outlets.
  33. Ruler/Foot rule - used to measure length, width, and thickness of short flat objects and to draw straight lines.
  34. Wire Gauge – This is a slotted circular disk used to find the diameter or size of an electrical wire.
  35. Other tools: Reamer – This is used for removing burrs on newly cut conduits. It is available in different sizes.
  36. VOCABULARY WORDS Burr – a blank punched out of a piece of sheet metal. Conduit – a pipe or tube for protecting electric wires or cables.
  37. Conduit
  38. Burr
  39. Cutting of Electrical Conduit
  40. Other tools: Flat File – This is used for removing burrs in conduits.
  41. Other tools: Fish Wire – This is a special flexible steel wire used for pulling the conductors in conduits.
  42. Activity Direction: Classify the following electrical tools according to their specification, uses and function. Ex. Flat Screwdriver - Driving Tool 1. Soldering Iron 2. Portable Electric Drill 3. Push-pull Rule 4. Gimlet 5. Wire Gauge
  43. Activity Direction: Classify the following electrical tools according to their specification, uses and function. Ex. Flat Screwdriver - Driving Tool 1. Soldering Iron 2. Portable Electric Drill 3. Push-pull Rule 4. Gimlet 5. Wire Gauge
  44. Answer Key: 1. Soldering Iron – Soldering Tool 2. Portable Electric Drill – Boring Tool 3. Push-pull Rule – Measuring Tool 4. Gimlet – Boring Tool 5. Wire Gauge – Measuring Tool
  45. Quiz Direction: Identify the following electrical hand tools. Choose your answer from the given option and write it at the back of your big notebook.
  46. 1. This is a slotted circular disk used to find the diameter or size of an electrical wire. Choices: Push-pull Rule Fish Wire Wire Gauge
  47. 2. This is a wire like boring tool used in making initial holes for split knob screws. Choices: Fish Wire Gimlet Micrometer
  48. 3. It is used to measure heights for switches and outlets. Choices: Foot Rule Push-pull Rule Micrometer
  49. 4. This is used for removing soldered wire splices or joints. Choices: Soldering Iron Desoldering Pump Soldering Tool Stand
  50. 5. This is used for removing burrs on newly cut conduits. It is available in different sizes. Choices: Flat File Reamer Fish Wire
  51. Assignment:  Read and study the continuation of the lesson about Electrical Measuring Equipment.  Reference: Grade 8 K to 12 Electrical Installation and Maintenance Course Learning Module/Hand-outs pages 8-9.
  52. Objectives: At the end of the period, at least 75% of the learners should be able to: a. Identify the different electrical measuring equipment b. Appreciate the importance of electrical measuring equipment c. Classify tools and equipment according its specification
  53. Electrical Measuring Instrument / Equipment Ammeter – is an instrument used to measure the flow of electric current in a circuit. (AC) Outlet, 220 v Wire
  54. Milli-ammeter – It is an instrument used for measuring small amount of electric currents, calibrated in milliamperes. (DC with ±) Power Supply, Charger, Battery
  55. DCmA – Direct Current Milliampere
  56. DCmA – Direct Current Milliampere
  57. DCmA – Direct Current Milliampere
  58. Voltmeter – an instrument used for measuring the potential difference or voltage between two points in an electrical circuit.
  59. DCV – Direct Current (DC) Voltage
  60. DCV – Direct Current (DC) Voltage
  61. ACV – Alternating Current (AC) Voltage
  62. Ohmmeter – It is an electronic device that measures resistance in an electronic component or circuit.
  63. Multimeter or Multi-tester – It is an electrical device that measures voltage, current and resistance.
  64. Clamp Ammeter – It is also called tong tester. This is used to measure current flowing in a conductor. It is clamped or hanged in a conductor.
  65. Test Light - is a pocket-sized tool used to test the presence of current in a line wire or circuit.
  66. Activity Direction: Classify the following if it is tool or equipment. Write your answer at the back of your journal. 1. Fish Wire 2. Test Light 3. Wire Stripper 4. Push-pull Rule 5. Multi-tester 6. Portable Electric Drill 7. Voltmeter 8. Soldering Iron 9. Long Nose Pliers 10. Philip Screwdriver
  67. Activity Direction: Classify the following if it is tool or equipment. Write your answer at the back of your journal. 1. Fish Wire 2. Test Light 3. Wire Stripper 4. Push-pull Rule 5. Multi-tester 6. Portable Electric Drill 7. Voltmeter 8. Soldering Iron 9. Long Nose Pliers 10. Philip Screwdriver
  68. Answer key: 1. Tool 2.Equipment 3.Tool 4.Tool 5.Equipment 6.Equipment/Tool 7.Equipment 8.Tool/Equipment 9.Tool 10.Tool
  69. Direction: Identify the following electrical measuring equipment. Select the answer from the given option for each item and write the it at the back of your learning journal. Choices: Multi-tester, Test Light, Voltmeter, Ohmmeter, Clamp Ammeter 1. It is also called as tong tester. It is clamped or hanged in a conductor. 2. It is used for measuring the potential difference or voltage between two points in an electrical circuit.
  70. Choices: Multi-tester, Test Light, Voltmeter, Ohmmeter, Clamp Ammeter 3. It is a pocket-sized tool used to test the presence of current in a line wire or circuit. 4. It is an electrical device that measures voltage, current and resistance. 5. It is an electronic device that measures resistance in an electronic component or circuit.
  71. Answer Key: 1. Clamp Ammeter 2. Voltmeter 3. Test Light 4. Multi-tester 5. Ohmmeter
  72. Assignment: Review the lesson about electrical tools and equipment and be ready for a quiz and group/individual activity. Reference: Grade 8 K to 12 Electrical Installation and Maintenance Exploratory Course Learning Module/Hand-outs pages 6-9.
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