Explain two reasons why earthing is done in electrical installations. (4 marks) Earthing, also known as grounding, is a critical safety measure in electrical installations. It involves connecting the exposed conductive parts of an electrical system to the earth. Here are ...

Explain the maintenance of a lead-acid battery. Here are the key steps involved in the maintenance of a lead-acid battery: 1. Regular Inspection: Check Electrolyte Levels: Regularly check the electrolyte levels in each cell. The electrolyte should cover the plates completely. ...

Describe the process of soldering. 1.Preparation: Clean the Components: Ensure that the surfaces to be soldered are clean and free from oxidation, dirt, grease, and other contaminants. Use a wire brush, sandpaper, or a cleaning solution to clean the surfaces. Fit the ...

Outline two IEE regulation requirements regarding cable joints andterminations. Cable Joints: Mechanical and Electrical Integrity: Cable joints must maintain the mechanical strength and electrical continuity of the conductor. The joint should be as strong and conductive as the original conductor ...

Distinguish between a joint and a termination. (4 marks) Joint: Definition: A joint is a connection between two or more sections of electrical conductors to extend the length of the conductor or to create a branch circuit. Purpose: Joints are made to ...

Outline five merits of steel conduits wiring systems Durability and Strength: Steel conduits provide excellent mechanical protection for electrical wiring, reducing the risk of damage from physical impacts. This makes them suitable for industrial and commercial environments where cables might ...