Summarize the following text to main points and sub-points and make detailed explain for them:

The provided text is a detailed list of electrical components and materials required for a construction or electrical project. The summary below categorizes the main points and sub-points for better understanding:

### Main Points:

1. **Cables**
   - **CU/PVC Single-Core Cables (450/750V):** Used for specific voltage requirements, available in various thickness configurations. Examples include:
     - (3x1x1851x95) mm², total quantity of 270 meters.
     - (4X1X10) mm² CU/PVC cables for internal apartment connections, totaling 655 meters.

   - **CU XLPE/PVC Cables (0.6/1kV):** Designed for higher voltage and reliability, with different configurations such as:
     - (3X1X18595)mm², total quantity of 15 meters.
     - (4x16)mm² used for building risers, totaling 70 meters.

2. **Switches and Sockets**
   - **Fused Disconnect Switches:** For safe electrical disconnection, used in air conditioning (32A) and external weather-proof settings (20A with LED indicator).
   - **Electrical Sockets and Outlets:** Several configurations to serve different purposes:
     - 16 AMP and 20 AMP sockets for general and specialized power supply needs.
     - Weatherproof sockets for outdoor applications.
   
3. **Conduits**
   - **PVC, UPVC, and HDPE Conduits:** Enclosing cables and providing pathways for system connections.
   - Common sizes include 25mm, 32mm, and 50mm conduits for various applications like intercom systems and building tie-ins.

4. **Lighting and Control Systems**
   - **Lighting Outlets and Fixtures:** Various types to provide appropriate lighting solutions.
   - **Switches:** Different configurations like one gang, two gang switches for light control.

5. **Distribution Boards and Meters**
   - **Distribution Boards (DB and SMDB):** For managing electrical circuits within buildings, supplied with KWH meter boxes for energy measurement.
   
6. **Telecommunication Outlets**
   - **Wall-Mounted Outlets for Data and Telecommunication:** Include outlets fitted with RJ45 CAT6A for data networks, telephone, IPTV, and secured wireless access points.

### Detailed Explanation:

1. **Cables**
   - **CU/PVC Cables** are chosen based on their ability to handle specific voltages safely within buildings, often used in simpler or less demanding electrical applications.
   - **CU XLPE/PVC Cables** are tailored for high-resistance environments, suitable for main power distributions and high-energy areas, offering longevity and reliability.

2. **Switches and Sockets**
   - **Phase Disconnect Switches** are critical for ensuring safe operation and maintenance by allowing circuit isolation. Weatherproof options ensure durability.
   - **Sockets** are plentiful as different devices and locations require customization to ensure compatibility and safety across diverse environments.

3. **Conduits**
   - Conduits provide protection and organization for electrical wiring, protecting it from environmental hazards and offering a clean layout for installations.

4. **Lighting and Control Systems**
   - Various lighting solutions are tailored for different environmental needs, ensuring efficient and appropriate illumination levels, controlled through various types of switches for user convenience.

5. **Distribution Boards**
   - Critical for managing power distribution, ensuring that there is safe and efficient handling of the electrical supply throughout the building, with metering solutions to monitor usage.

6. **Telecommunication Outlets**
   - Vital for integrating communications in modern buildings, supporting internet, phone, and media connectivity, with weather-proofing where necessary to protect installations. 

Altogether, this

Summary :