Use these modular connectors for all voice grade cabling applications. Leviton QuickPort connectors snap into the entire line of Leviton QuickPort products including workstation housings, multimedia outlet system, Decora® inserts, patch panels and patch blocks. Fire retardant plastic housing is high impact with spring wire contacts that are of the highest quality phosphor bronze, plated with 50 micro inches of gold over 100 micro inches of nickel for the lowest in contact resistance and maximum durability. The connector 110 IDC contacts are solder plated phosphor bronze.