Lesson Notes By Weeks and Term - Junior Secondary 3

Simple electrical wiring II

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TERM – 2ND TERM

WEEK ELEVEN

Class: Junior Secondary School 3

Age: 14 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC TECHNOLOGY

Topic: SIMPLE ELECTRICAL WIRING II

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. Identify the tools for wiring
  2. Identify materials for wiring.
  3. Identify the procedure for carrying out simple wiring

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers,

demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher Identify the tools for wiring and state their uses.

Students pay

attention

STEP 2

EXPLANATION

Teacher identify the materials essential for house wiring and the uses.

Students pay

attention and

participate

 

STEP 3

DEMONSTRATION

Teacher highlight and discuss the procedure for carrying out simple electric wiring.

Students pay

attention and

participate

STEP 4

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

SIMPLE ELECTRICAL WIRING II

Tools for Wiring a Simple Electric Circuit

  1. Wire Strippers: To strip the insulation off the ends of wires for proper connections.
  2. Needle-Nose Pliers: To bend and shape wires, hold small components, or secure connectors.
  3. Screwdrivers: To tighten or loosen screws on terminal blocks, switches, or outlets.
  4. Wire Crimpers: To crimp connectors onto the ends of wires securely.
  5. Multimeter: To measure voltage, current, and resistance in the circuit for troubleshooting and testing.
  6. Voltage Tester: To verify the presence or absence of electrical voltage.

Materials for Wiring a Simple Electric Circuit:

  1. Wires: Conduct electricity between components in the circuit.
  2. Switches: To control the flow of electricity in the circuit.
  3. Light Bulbs or LEDs: To act as loads that consume electrical power and produce light.
  4. Resistors: To limit the current flow in the circuit and protect components.
  5. Connectors and Terminal Blocks: To securely connect wires and components in the circuit.
  6. Batteries or Power Source: To provide electrical energy to the circuit.
  7. Electrical Tape: To insulate and protect wire connections.
  8. Wire Nuts: To join and insulate multiple wires.

Steps for Simple Electrical Wiring

  1. Determine the components you want to connect and plan the layout of the wiring.
  2. Collect the necessary wires, switches, loads, and other components based on your circuit design.
  3. Cut the wires to the required lengths and strip off the insulation from the ends for proper connection.
  4. Use connectors or junction boxes to join wires and connect switches, loads, and other devices according to your circuit plan.
  5. Ensure all connections are secure and tight to prevent loose wires or potential safety hazards.
  6. If applicable, connect the grounding wire to the grounding system to ensure safety.
  7. Before connecting to the main power source, use a multimeter to check for continuity and ensure there are no short circuits.
  8. Once the circuit is tested and confirmed, connect it to the power source, whether it's a battery or an electrical outlet.

EVALUATION: 1. Mention 5 tools for wiring and state their uses

  1. Identify 5 materials for house wiring and state their uses.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively