electrical handtool

4. 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

5. 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.

6. 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.

7. 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.

9. 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.

10. 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.

11. Types of Screwdriver
Philips Screwdriver- This has a cross tip
resembling a positive (+) sign. This is used
to drive screws with cross slot heads.

12. 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.

13. 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.

14. 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.

15. B. Striking Tools
Types of Hammer
Claw Hammer Mallet (Rubber Head)
Ballpeen Hammer

16. 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.

17. 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.

18. Side Cutting Pliers - This type of pliers is
used for cutting fine, medium, and big
and cable.

19. 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.

20. Wire Stripper - This is a tool used for
stripping or removing the insulation of
connecting wires ranging from gauge #10
to gauge #16.

21. 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.

22. Hacksaw - This tool is used for cutting
pipes/conduit and cables. It is also used for
cutting big conductors.

23. 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

24. 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

25. 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

26. 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.

27. 1. 2. 3.
4. 5.
Choices: Flat Screwdriver, Philips
Screwdriver, Long Nose Pliers, Hacksaw,
Wire Stripper

28. 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.

30. 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

31. 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.

32. Gimlet – This is a wire like boring tool used
in making initial holes for split knob screws.

33. F. Soldering Tools
Soldering Iron – This is used to solder
connecting wires.

34. Desoldering Tool/Pump – This is used
for removing soldered wires.

35. Soldering Tool Stand – is a place where
the soldering iron is placed during usage.

36. H. Measuring Tools
Micrometer – This is used to measure
diameter and thickness of cables, wires or
conductors.

37. 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.

38. Ruler/Foot rule - used to measure length,
width, and thickness of short flat objects
and to draw straight lines.

39. Wire Gauge – This is a slotted circular disk
used to find the diameter or size of an
electrical wire.

40. Other tools:
Reamer – This is used for removing burrs
on newly cut conduits. It is available in
different sizes.

41. VOCABULARY WORDS
Burr – a blank punched out of a piece of
sheet metal.
Conduit – a pipe or tube for protecting
electric wires or cables.

42. Conduit

43. Burr

44. Cutting of Electrical Conduit

45. Other tools:
Flat File – This is used for removing burrs
in conduits.

46. Other tools:
Fish Wire – This is a special flexible steel
wire used for pulling the conductors in
conduits.

47. 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

48. 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

49. 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

50. 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.

51. 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

52. 2. This is a wire like boring tool used in
making initial holes for split knob
screws.
Choices:
Fish Wire
Gimlet
Micrometer

53. 3. It is used to measure heights for
switches and outlets.
Choices:
Foot Rule
Push-pull Rule
Micrometer

54. 4. This is used for removing soldered
wire splices or joints.
Choices:
Soldering Iron
Desoldering Pump
Soldering Tool Stand

55. 5. This is used for removing burrs on
newly cut conduits. It is available in
different sizes.
Choices:
Flat File
Reamer
Fish Wire

56. 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.

58. 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

59. Electrical Measuring Instrument /
Equipment
Ammeter – is an instrument used to
measure the flow of electric current in a
circuit. (AC) Outlet, 220 v Wire

60. Milli-ammeter – It is an instrument used
for measuring small amount of electric
currents, calibrated in milliamperes. (DC
with ±) Power Supply, Charger, Battery

61. DCmA – Direct Current Milliampere

62. DCmA – Direct Current Milliampere

63. DCmA – Direct Current Milliampere

64. Voltmeter – an instrument used for
measuring the potential difference or
voltage between two points in an electrical
circuit.

65. DCV – Direct Current (DC) Voltage

66. DCV – Direct Current (DC) Voltage

67. ACV – Alternating Current (AC) Voltage

68. Ohmmeter – It is an electronic device that
measures resistance in an electronic
component or circuit.

70. Multimeter or Multi-tester – It is an
electrical device that measures voltage,
current and resistance.

72. 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.

73. Test Light - is a pocket-sized tool used to
test the presence of current in a line wire
or circuit.

78. 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

79. 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

80. Answer key:
1. Tool
2.Equipment
3. Tool
4. Tool
5.Equipment
6.Equipment/Tool
7.Equipment
8. Tool/Equipment
9. Tool
10. Tool

81. 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.

82. 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.

83. Answer Key:
1. Clamp Ammeter
2. Voltmeter
3. Test Light
4. Multi-tester
5. Ohmmeter

84. 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.