The 25 PK Arlington (3838A) Locknut Style Duplex Connector is designed for securely connecting electrical wires in dry locations. It is used for creating reliable connections in electrical boxes, particularly for duplex outlets or other devices requiring two circuits. The locknut design ensures the connector stays firmly in place, even under stress or vibration. Ideal for both residential and commercial installations, it helps maintain safety and durability in non-moisture-prone areas. This connector should not be used in damp or wet environments, ensuring its optimal performance in dry, controlled conditions.