: You might also want to look into the International Electrotechnical Commission (IEC) or other international standards bodies' websites, as the Philippines often adopts international standards.
: Standardized cabling ensures that different systems (e.g., IT and Security) can work together seamlessly. Philippine Electronics Code Book 1-4 Pdf
This volume outlines the minimum requirements for the design, maintenance, and testing of fire safety systems. System Components : You might also want to look into
