Engineering

• Understand the basic terms used in electricity
• Describe the differences between a direct current (DC) supply and an alternating current (AC) supply.

• Identify the hazards that can arise from the use of electricity.
• Describe the safety precautions that must be taken when working with electricity.
• Describe the function and operation of electrical protective devices found in homes
• Explain the basic purpose of earthing electrical appliances and installations.
• Appreciate the need to have a set of regulations and codes of practices for electrical installations.

• Describe the working principle and application of a test pen.
• Use a test pen to detect the presence of an electrical voltage.
• Describe the various functions and uses of a multimeter.
• Use a multimeter for checking electrical faults.

Electrical Faults

• Describe the common types of electrical faults that can occur in electrical appliances and circuits

• Describe the common types of electrical cables used in homes.
• Identify the different kinds of electrical accessories and electrical loads in homes.
• Describe the basic factors that must be considered when selecting switches, fuses and circuit breakers in relation to the electrical loading.
• Describe the procedure for connecting electrical plugs (in accordance with manufacturer’s instructions)
• Connect a 13 A fused plug.
• Connect a 15 A plug.
• Connect a lighting circuit with a single-way switch.
• Connect a lighting circuit with two-way switches.
• Identify the major components of a conventional fluorescent lamp circuit.
• Explain the function of the major components of a fluorescent lamp circuit.
• Describe the working principle of a fluorescent lamp circuit.
• Connect a fluorescent lighting circuit.
• Connect up a heating load with double pole switch.
• Connect a radial connected 13A switched socket outlet.
• Connect a ring connected 13A switched socket outlet.
• Connect up a 15A switched socket outlet.
• Connect a consumer unit.