MS-3-142 is a marker strip component for the Cinch Series 142 barrier block connector system, designed to accommodate 3 terminals. This marker strip is part of the barrier block connector family and is used to label and organize terminal positions within the connector assembly. The marker strip is available in standard and yellow (-Y) variants, providing flexibility for color-coded identification in complex wiring applications. Marker strips are essential accessories for barrier block connectors, enabling clear terminal identification and reducing installation errors in industrial control panels, terminal boards, and electrical distribution systems.