DESIGNED TO LAST: Designed to require fewer turns to reach required torque and meet or exceed UL pull out and dielectric test requirements INDUSTRY STANDARD color coded for easy size selection COPPER TO COPPER Connections - Rated at 600V Max FLAME-RETARDANT PROPERTIES resist heat distortion up to 105°C (221°F) TIGHT, SQUARE-WIRE SPRING makes quick, secure connections for positive continuity Color-coded for easy size selection Makes quick, secure connections for positive continuity, tightens without ratcheting, yet removable for re-use