What is the size of the font used on the identification plate of a Class T machinery room?

The identification plate for a Class T machinery room must use a specific font size for clarity and compliance with regulations. The correct font size of 13mm ensures that the information provided on the identification plate is easily readable, which is crucial for safety and operational guidelines in such environments. It is vital for personnel working in or around the machinery room to quickly identify important information, which reduces the risk of errors and enhances safety protocols. The standards for identification plates are designed to maintain consistency and visibility in potentially hazardous areas, making the 13mm size an appropriate choice for these applications.