Water and oil resistant: The 600V 6 AWG SOOW wire 6/4 6 Gauge 4 conductor SOOW electric wire (SOOW-Service, Oil, and Water Resistant) is designed to withstand harsh conditions, perfect for industrial/outdoor/commercial use,including NEMA 14-50 welder machine/power generator/RV outlet box/electric car charger/fryer/dryer. Safe 6 AWG SOOW portable power cable: The 6 gauge 4 conductor OFC wire (OFC-Oxygen Free Copper) meets UL standards (UL E1215210), provides greater electrical conductivity, and the 600V SOOW electrical cable cord wire rating without overheating or damaging electric 6/4 SOOW cable for ensuring safety and durability in all situations. Heavy duty 6 AWG SOOW cable: The 6/4 6 gauge 4 conductor portable power cable wire is extremely thick, 6 gauge great power source provides high capacity for handling higher voltage loads, 6 AWG SOOW electric wire cable is more resistant to corrosion, absorbs heat better and lasts longer than non-OFC wire. Industrial grade 6 gauge SOOW