500' 350 MCM THHN Black Wire AWG (Priced per Ft) / CROSS-SECTIONAL SHAPE STYLE: 6 ROUND TEMP RATING: 60.0 DEG CELSIUS AND 90.0 DEG CELSIUS OUTSIDE DIAMETER: 0.797 INCHES NOMINAL ALL CONDUCTORS STRAND QUANTITY PER CONDUCTOR: 37 ALL CONDUCTORS CONDUCTOR FORM: STRANDED ALL CONDUCTORS ROUND CONDUCTOR SIZE: 350.0 MCM ALL CONDUCTORS VOLTAGE RATING: 600.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR