Nichifu Co., Ltd. Quick Lock Plug-In Wire Connector ● Quick Lock is connected by inserting an electrical wire connector for indoor wiring. You can see the state of the wire insert with your eye. ● Reliable two-point contact spring construction. ● Corrugated conductor board for smooth insertion of electric wires. ● The guide of the moldings allows the wire to be inserted straight. Compatible with JIS C 2813 (plug type electrical wire connector for indoor wiring)