This document establishes the safety protection design principles for safety protection and alarm equipment, and specifies the requirements for protection against electric shock, protection against mechanical damage, protection against thermal burns, protection against fire, protection against radiation, indicative requirements for safety protection, requirements for signs and instructions, It also describes the test methods for each corresponding requirement. This document is applicable to the design, manufacture, inspection and application of various equipment in the security system. Note: Various types of equipment include but are not limited to intrusion and emergency alarms, video surveillance, entrance and exit control, parking lot (garage) safety management, explosion-proof safety inspection, electronic inspection, building intercom, physical protection and human biometric identification and other systems device of.