Leviton 16R24-B 16-Series Taper Nose, Female, Panel Receptacle, 90-Degree, Threaded Stud, Cam-Type Connector, Blue (Old Model) Santoprene Insulator is Shatter and Crack Proof Color-Coded Insulators for Easy Phase Identification Intermateable and compatible with competitive cam-type products: can be retrofitted to existing locations and power distribution systems Hard Thermoplastic Screw Provides Strength and Durability