
Here are some ultimate guidelines codes for CCTV Installation & Maintenance:
- NSI NCP 104 Issue 2: 2010: This is a set of guideline codes for CCTV and requirements for the installation and maintenance of CCTV systems in the United Kingdom. It covers a range of requirements for CCTV systems, including system design, installation, operation, recording and retention.
Click here to download - BS EN 62676-4:2015: This is a European Standard that provides recommendations for video surveillance systems for use in security applications. It covers system requirements, equipment, installation, and operation.
- ANSI/SIA CP-01-2007: This is an American National Standard that provides guidelines for the design and installation of security systems, including CCTV systems. It covers system design, installation, and testing.
- IEC 62676-1-1:2013: This is an International Electrotechnical Commission (IEC) Standard that provides recommendations for video surveillance systems for use in security applications. It covers system requirements, equipment, installation, and operation.
- ASIS GDL PBS-2009: This is a guide from the American Society for Industrial Security (ASIS) that provides best practices for the design and installation of security systems, including CCTV systems. It covers system design, installation, and testing.

These guidelines codes provide comprehensive guidance on the installation and maintenance of CCTV systems, covering a range of factors including system design, installation, operation, and maintenance. They are designed to ensure that CCTV systems are installed and maintained to a high standard and that they provide effective surveillance and monitoring capabilities.