The Ultra-Fast Plus FASTON series fully insulated FASTON Receptacle and Tab offer all the advantages of the standard Ultra-Fast product plus an insulation crimp. The Ultra-Fast Plus fully insulated FASTON receptacles and tabs preclude the need for electrical safety interlocks or special protective shields to help prevent shock hazards. The Ultra-Fast Plus FASTON receptacles and tabs are pre-insulated assemblies featuring a co-moulded housing produced from two different nylon materials. The receptacle/tab and wire barrel portions of the housing are moulded from type 6/6 nylon material with a +130°C UL temperature rating. The insulation barrel is moulded from a premium grade nylon selected to retain the insulation crimp shape. The Ultra-Fast Plus FASTON receptacle housing completely encloses a tin-plated copper alloy. Funnel wire entry Wire stop Assemblies are colour-coded by wire size Assemblies contain wire size and tab size designation Mating tab thickness marked on terminal and visible through housing (110 and 187 series)