The connectors are single and multipole connectors, intended for factory assembly to copper or copper alloy conductors or printed wiring boards, for use in data, signal, control and power applications within and between electrical equipment. It is a Recognized component in UL Certification.
UL Certification is the main safety certification for connectors in the American Safety Certification. The basic Standard in UL Certification for Connectors is UL 1977!
You need use the UL Recognized plastics when apply the connectors UL Certification, and the flame class)、temperature (RTI) and min. thickness shall fit for the connector construction and intended use!
UL 1977: Component Connectors for Use in Data, Signal, Control and Power Applications