Basic Electricity - Senior Secondary 2 - Wiring regulations II

Wiring regulations II

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TERM: 2ND TERM

WEEK EIGHT

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC ELECTRICITY

Topic: WIRING REGULATIONS II

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

I.) Define electrical accessories

II.) Identify the types of electrical accessories

III.) State the uses of electrical accessories

IV.) State the regulations regarding the loading of electrical accessories

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 explain the meaning of electrical accessories and discuss the types of electrical accessories

Students listens attentively to the teacher                                                                          

STEP 2

EXPLANATION

Teacher state the uses of electrical accessories and discuss the regulations regarding the loading of electrical accessories

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

WIRING REGULATIONS II

Electrical accessories

Electrical accessories refer to devices or components used in electrical systems to facilitate power distribution, control, protection, or connectivity. They come in various types, including switches, sockets, plugs, connectors, extension cords, circuit breakers, fuses, junction boxes, and wiring accessories like cable ties and clips.

Types of electrical accessories

Common types of electrical accessories include:

  1. Switches: Used to control the flow of electricity in a circuit.
  2. Sockets: Provide points for connecting electrical devices to a power supply.
  3. Plugs: Connect electrical devices to sockets or outlets.
  4. Extension cords: Lengthen the reach of electrical connections.
  5. Circuit breakers: Protect circuits from overcurrent or short circuits by interrupting the flow of electricity.
  6. Fuses: Similar to circuit breakers, they protect circuits by sacrificing themselves when current exceeds safe levels.

Uses of electrical accessories

Electrical accessories serve various purposes in electrical systems:

  1. Power Distribution: Accessories like sockets, plugs, and extension cords distribute electricity from the power source to devices and appliances.
  2. Control: Switches allow users to turn electrical devices on or off, controlling the flow of electricity in a circuit.
  3. Protection: Circuit breakers and fuses protect electrical circuits from overcurrent or short circuits, preventing damage to devices and electrical fires.
  4. Connection: Plugs and connectors establish connections between electrical devices and power sources, enabling them to function.

Regulations regarding the loading of electrical accessories

Regulations regarding the loading of electrical accessories, such as sockets, typically involve specifying the maximum current rating they can handle safely. For instance:

- A 5A socket outlet is suitable for low-power devices like lamps.

- A 13A socket outlet is standard for general household appliances.

- A 15A socket outlet is typically used for higher-powered appliances such as air conditioners or heavy-duty equipment.

EVALUATION: 1. Define electrical accessories

  1. Mention 5 types of electrical accessories
  2. Discuss briefly the regulations regarding the loading of electrical accessories

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively