What is a rule intended to ensure safety during installation and use of systems and components known as?

A rule intended to ensure safety during installation and use of systems and components is referred to as a code. Codes are formal, legally enforceable standards that set forth the minimum requirements for safety and health in various fields, including construction and installation practices. They are developed and adopted by governing bodies to protect public safety and ensure compliance across the industry.

In the context of installation and use, codes provide specific guidelines on how to install systems and components safely and effectively. They address potential hazards and outline best practices that must be followed to minimize risks to both workers and the end users of the systems and components being installed. By adhering to these codes, professionals can help ensure that their installations are compliant with safety regulations and industry standards, fostering a safe working environment.