What does SANS 10142 state about cables and their protection
SANS 10142 is a South African standard for the wiring of premises, and it provides guidelines for electrical installations. Regarding cables and their protection, SANS 10142 specifies the following:
1. Cable types: The standard defines various cable types based on their application, such as general-purpose cables, fire-resistant cables, and armored cables.
2. Cable selection: It provides information on selecting the appropriate cable based on factors like current-carrying capacity, voltage drop, and environmental conditions.
3. Cable installation: SANS 10142 outlines proper cable installation practices, including the use of cable trays, trunking, conduits, or embedded systems, depending on the situation.
4. Cable protection: The standard emphasizes the importance of protecting cables from mechanical damage, moisture, chemicals, excessive heat, and other potential hazards. Guidelines on cable support, bending radii, and accessories like cable glands are provided.
5. Cable marking: SANS 10142 requires cables to be identified or marked at both ends for easy identification and troubleshooting purposes.
6. Cable testing: It includes provisions for testing cables during and after installation to ensure proper functioning and compliance with safety standards.
Note: It is important to consult the specific version of SANS 10142 applicable to your region as standards can be subject to updates and revisions.