1640pcs Pre-Insulated/Non-Insulated Terminals, Insulated Crimp Terminals, Wire Ferrules, Electrical Butt Connectors, 12-22 AWG, for Electrician Splicing Projects, 0.5/1/1.5/2.5/4mm²

General description The 1640pcs Pre-Insulated/Non-Insulated Terminals set is designed for various electrician splicing projects. This comprehensive kit includes both insulated crimp terminals and wire ferrules, making it suitable for a wide range of electrical applications. Technical specifications Set includes: 590 pre-insulated wire ferrules and 1050 non-insulated crimp terminals Interface type: AC/DC Working frequency: low frequency Non-insulated butt connectors: 0.5mm² (400pcs), 1.00mm² (200pcs), 1.5mm² (200pcs), 2.5mm² (150pcs, length 8mm), 4.00mm² (100pcs, length 9mm) Pre-insulated cable lugs: red 0.5mm² (200pcs), blue 1.00mm² (150pcs), black 1.5mm² (100pcs), yellow 2.5mm² (80pcs), green 4.00mm² (60pcs) Usage Remove the wire core from the housing The stripping length should match the length of the metal socket of the terminal Insert the entire core into the wire end ferrule terminal without exposing it, then crimp the terminal Adjust the crimping pliers according to the thickness of the wire core before crimping Other information Non-insulated crimp wire end ferrules prevent wire ends from being stripped or broken Copper wire end ferrules provide good electrical and thermal conductivity for reliable connections Tinned copper electrical butt connectors resist oxidation and rust, enhancing durability Widely used in electrical projects, workshops, auto electricians, machinery, cars, trucks, motorcycles, etc.