Features & Benefits: • Gator Grip Jaws grab cord tighter as you hand turn the housing. • Nylon jaws grip securely, but won't damage insulation. • Self-locking Dardelet Thread holds securely and assures firm clamping. • Fast wiring -- simply insert stranded conductors into individual wiring chambers and tighten oversized terminal screws. • Transparent wiring chamber cover allows visual inspection of wiring chambers to assure proper connections. • Sloped shoulders won't catch or snap.• Automatic cord centering. • Brilliant high-visibility yellow. • Neoprene Dust Seal helps keep out dirt and debris. • Dead front construction.