Basic Electricity - Senior Secondary 2 - Project and practical work

TERM: 3^RD TERM

WEEK TWELVE

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC ELECTRICITY

Topic: PROJECT AND PRACTICAL WORK

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

I.) Connect a simple electrical wiring using fittings

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

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

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

NOTE

PROJECT AND PRACTICAL WORK

Construction of a simple electrical wiring using fittings

Materials:

1. Electrical wire (usually insulated copper wire)
2. Electrical fittings (such as connectors, junction boxes, switches, and outlets)
3. Wire nuts or connectors
4. Electrical tape
5. Circuit breaker or fuse
6. Electrical devices (such as light fixtures or appliances)

Equipment:

1. Wire cutters/strippers
2. Screwdrivers
3. Pliers
4. Voltage tester

Procedure:

1. Plan your wiring layout: Determine where you want to place your electrical devices (outlets, switches, lights, etc.) and plan the wiring route accordingly.
2. Turn off the power: Before starting any electrical work, make sure to turn off the power to the circuit you'll be working on at the breaker box. Double check with a voltage tester to ensure the power is off.
3. Install junction boxes: Install junction boxes at appropriate locations along the wiring route. These boxes will contain the wire connections and protect them from damage.
4. Cut and strip the wires: Measure and cut the electrical wire to the required lengths, leaving a little extra for connections. Use wire cutters to cut the wire, and strip off about ½ inch of insulation from the ends using wire strippers.
5. Connect the wires: Use wire nuts or connectors to join wires together within the junction boxes. Connect wires of the same color (e.g., black to black, white to white, green or bare copper to green or bare copper).
6. Install fittings: Install switches, outlets, and other electrical devices into the junction boxes as needed, following the manufacturer's instructions.
7. Secure connections: Make sure all wire connections are secure and properly insulated with electrical tape if necessary. Tug gently on the wires to ensure they are firmly connected.
8. Test the circuit: After completing the wiring, turn the power back on at the breaker box and test the circuit using a voltage tester. Make sure all devices are functioning properly.
9. Secure the wiring: Once everything is tested and working, neatly organize and secure the wiring within the junction boxes using cable clamps or staples, making sure to leave some slack for future adjustments or repairs.
10. Label circuits: Consider labeling the circuit breakers at the breaker box to make it easier to identify which breaker controls each circuit in the future.

EVALUATION: 1. Teacher evaluates students based on their performance from the practical

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively