'3-Pole XLR Female Connector, Grounding: Separate ground contact for paired connector housing and front panel, vertical PCB mount. The most cost-effective round body XLR PCB mount panel connector. Front panel cutout and PCB layout are 100% compatible with A series. ''Tulip'' contact design with high contact pressure for maximum durability. Assembled with snap closure. UL94HB flammability rating. UL recognized component.'