Leviton 16P22-W 16 Series Female, Protective Cap, Commercial Grade, Cam-Type Connector, White 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 Made in USA