Cable YJV-VV-4 * 240 + 1 * 120 / 1KV What does it mean?
With the advantages of java cross-platform, distributed systems deployed with EJB technology can not be limited to specific platforms
Electric room (including computer room), cable sandwich, fire alarm should be equipped with automatic fire alarm device, monitoring devices, fire extinguishing devices and measures to prevent small animals to enter; cable piercing holes and other applications of fire protection materials for sealing
33 provides: substation cable sandwich should be set up hanging gas automatic fire extinguishing device The cable sandwich fire, also need to install the temperature cable One of the fire protection measures of the cable sandwich is to install the temperature sensing cable Temperature sensing cable is a relatively special fire detector, compared with other fire detectors, it is more suitable for installation in the cable sandwich to prevent the occurrence of fire So the cable sandwich fire, do not forget to install the temperature cable
