TERM: 2ND TERM
WEEK SEVEN
Class: Senior Secondary School 2
Age: 16 years
Duration: 40 minutes of 5 periods each
Date:
Subject: BASIC ELECTRICITY
Topic: WIRING REGULATIONS
SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to
I.) Define wiring regulations
II.) Identify the wiring regulations
INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source
INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,
INSTRUCTIONAL PROCEDURES
PERIOD 1-2
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PRESENTATION
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TEACHER’S ACTIVITY
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STUDENT’S
ACTIVITY
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STEP 1
INTRODUCTION
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The teacher explains the meaning of wiring regulations to the students
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Students listens attentively to the teacher
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STEP 2
EXPLANATION
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Teacher identify and discuss various wiring regulations
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Students exhibit attentiveness and active engagement
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STEP 3
NOTE TAKING
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The teacher writes a summarized
note on the board
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The students
copy the note in
their books
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NOTE
WIRING REGULATIONS
Electrical wiring regulations, often governed by national or regional standards, outline the requirements and guidelines for safe electrical installations. While specific regulations may vary depending on the jurisdiction, the following are some common principles and practices found in electrical wiring regulations:
- Cable Sizing and Selection: Regulations specify the appropriate size and type of cables or conductors based on factors such as current carrying capacity, voltage drop, and environmental conditions.
- Circuit Protection: Regulations mandate the use of protective devices such as fuses, circuit breakers, and residual current devices (RCDs) to safeguard against overcurrent, short circuits, and electric shock hazards.
- Earthing and Bonding: Proper earthing and bonding arrangements are required to ensure electrical installations are grounded effectively, minimizing the risk of electric shock and providing protection against lightning strikes and fault currents.
- Installation Methods: Regulations detail the correct methods for installing cables, wiring accessories, and equipment to maintain electrical safety and prevent mechanical damage or overheating.
- Isolation and Switching: Requirements are established for the provision of isolation switches, circuit breakers, and other means of disconnecting electrical supplies to facilitate safe maintenance and repairs.
- Protection against Overvoltages: Regulations address the need for surge protection devices to safeguard electrical installations and equipment against transient overvoltages caused by lightning strikes or switching operations.
- Special Locations: Specific requirements apply to electrical installations in special locations such as bathrooms, swimming pools, hazardous areas, and outdoor environments to mitigate unique safety risks associated with these locations.
- Testing and Inspection: Regulations prescribe procedures for testing, inspecting, and certifying electrical installations to ensure compliance with standards and regulations, as well as to verify the safety and integrity of the installation.
- Training and Competence: Regulations often emphasize the importance of ensuring that individuals involved in the design, installation, testing, and maintenance of electrical systems possess the necessary training, qualifications, and competence to carry out their duties safely and effectively.
EVALUATION: 1. What is wiring regulations?
- Mention 5 wiring regulations and discuss them
CLASSWORK: As in evaluation
CONCLUSION: The teacher commends the students positively
