Gauge: (AWG) 16 AWG (AMERICAN WIRE GAUGE) CONDUCTOR: Stranding 26 STRANDS IN EACH CONDUCTOR Material TINNED COPPER INSULATION: Material XLP-CROSS LINKED POLYETHYLENE Color GRAY (SLATE) Shielded: NOT SHIELDED SPEC/STD: UL UL LISTED TYPE SIS (SWITCHBOARD WIRE) Temperature Rating: 90 DEGREES CENTIGRADE (194 F) Voltage Rating: 600 VOLTS AC OR DC Product Type: SWITCHBOARD