20/10 600 V multiconductor unshielded control cable constructed with bare copper conductors, high-density polyethylene insulation with layer of polyvinylchloride insulation and overall polyvinylchloride jacket, 75° C. Also available with helically applied copper tape or longitudinal corrugated copper tape constructions. They are suited for use in control circuit in utility substations, plant generation supervisory control circuits, and other metering applications for utility distribution in accordance with ICEA S-73-532 NEMA WC57.