74 Twist-Lock® 2-Pole 3-Wire Single receptacle in black melamine color, has current rating of 50-Amps and voltage rating of 250-Volt DC/600-Volt AC. This receptacle with screw terminal connection, accommodates solid or stranded copper wire of size 10 - 4-AWG. Brass receptacle featuring thermoset construction offers high heat resistance while armored housing provides superior impact resistance. Screw mountable receptacle withstands dielectric voltage of 2000-Volts. It measures 3.66-Inch x 2.12-Inch x 2.36-Inch. Receptacle withstands temperature range of -40 to 75 deg C. It is perfect for heavy-duty industrial applications. Single receptacle is UL listed and CSA certified.