Outline three I.E.E regulations requirement regarding:(i) consumer control unit; (ii) _ socket outlets.
(i) Consumer Control Unit:
- Accessibility and Location:
- The consumer control unit (CCU) must be installed in an accessible location that allows for easy operation, maintenance, and inspection. It should be mounted at a height that is convenient for users to operate without any difficulty.
- Circuit Protection:
- The CCU must be equipped with appropriate circuit protection devices, such as miniature circuit breakers (MCBs) or residual current devices (RCDs), to ensure the safety of the electrical installation. These devices protect against overcurrent, short circuits, and earth faults.
- Labeling and Identification:
- All circuits within the CCU must be clearly labeled and identified to ensure users and electricians can easily understand the purpose of each circuit. This labeling aids in safe maintenance and troubleshooting of the electrical system.
(ii) Socket Outlets:
- Position and Height:
- Socket outlets should be installed at appropriate heights and locations to minimize the risk of physical damage and to ensure ease of use. Typically, socket outlets are installed at a height of about 450mm to 1200mm from the floor.
- Protection Against Overcurrent:
- Each socket outlet must be protected by a suitable overcurrent protective device, such as an MCB. Additionally, for added safety, socket outlets should be protected by an RCD to prevent electric shock from earth faults.
- Earthing and Bonding:
- Socket outlets must be properly earthed to ensure safety. The earthing system provides a path for fault currents to flow to the ground, reducing the risk of electric shock. Proper bonding must be in place to connect all metallic parts to the earth, ensuring the entire installation remains at the same potential.