This is a four-conductor, 14 AWG stranded copper tray/control cable, designed for use in power and control applications. It’s labelled “14/4 STRN TRAY CABLE TYPE TW INNERS BLACK 50 FT”, indicating 14 gauge, four conductors, stranded, tray cable, rated for 600 V, direct burial capable, with black outer jacket and 50 foot length.

It is intended for use in cable trays, raceways, exposed runs, and can also be used for direct burial (depending on its jacket and listing) — making it suitable for industrial or commercial installations where power/control runs need durable multiconductor cable.