Basic Electricity - Senior Secondary 2 - Types of wiring

Types of wiring

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TERM: 3RD TERM

WEEK ONE

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC ELECTRICITY

Topic: TYPES OF WIRING

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

I.) Identify the types of wiring

II.) Identify electrical wiring materials

III.) Identify electrical wiring accessories

IV.) Identify the types of Switching Methods

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 discusses the types of wiring identify some wiring materials and accessories.

Students listens attentively to the teacher                                                                          

STEP 2

EXPLANATION

Teacher identify and discuss  the types of Switching Methods

Students exhibit attentiveness and active engagement

STEP 3

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

TYPES OF WIRING

Types of Wiring Methods

  1. Conduit Wiring: Conduit wiring involves installing electrical wires inside metal or plastic conduits for protection against damage and to comply with safety standards.
  2. Surface Wiring: Surface wiring refers to electrical wiring that is visibly mounted on the surface of walls, ceilings, or floors.
  3. Concealed Wiring: Concealed wiring is the practice of hiding electrical wires within the walls, floors, or ceilings of a building.
  4. Overhead Wiring: Overhead wiring involves installing electrical wires above ground level, typically on utility poles or suspended from structures.

Electric Wiring Materials:

  1. Electrical conductors (wires or cables)
  2. Conduits (metal or plastic)
  3. Insulation materials (such as PVC, rubber, or thermoplastic)
  4. Junction boxes or outlet boxes
  5. Fasteners (screws, anchors)
  6. Cable trays or raceways
  7. Support structures (poles, towers) for overhead wiring

Electric Wiring Accessories:

  1. Switches (single-pole, double-pole, three-way, four-way)
  2. Outlets (receptacles, sockets)
  3. Junction boxes or outlet boxes
  4. Electrical connectors (wire nuts, terminal blocks)
  5. Cable glands or connectors (for conduit wiring)
  6. Cable ties or straps
  7. Cable management systems (trunking, ducting)
  8. Insulated tape or heat shrink tubing (for insulation and bundling)

Types of Switching Methods:

  1. Single-Pole Switching: A single switch controls the power to a single lighting fixture or electrical device.
  2. Double-Pole Switching: Two switches control the power to a single lighting fixture or electrical device, allowing for control from two different locations.
  3. Three-Way Switching: Two switches control the power to a single lighting fixture or electrical device, allowing for control from three different locations.
  4. Four-Way Switching: Three or more switches control the power to a single lighting fixture or electrical device, allowing for control from four or more different locations.
  5. Dimmer Switching: A switch with variable resistance that allows for controlling the brightness of a lighting fixture.
  6. Time Switching: Switching based on preset time schedules, commonly used for controlling lighting in outdoor or security applications.

EVALUATION: 1. Mention 4 types of wiring you know

  1. Identify 4 wiring materials and 4 wiring accessories used on wiring.
  2. State and describe 4 switching methods you know.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively