EASY TO USE - No tools needed, plug and play, greatly reduce wiring labor time. CONVENIENT - Connector voltage range is 0 ,75 and 4 mm2. It is solid or fine copper wire, which is very convenient. SAFE - Selection of the best insulation nylon PA6.6, a flame retardant insulation material, which has a long service life, no corrosion, anti-aging, 4KV pressure and against electric shock. 12 Pcs SPL-3 Compact Wire Connectors: This electrical connector block is ideal for industrial use, communications and lighting . Electrical connector blocks are made with premium insulating material to ensure your health and safety. The connectors are suitable for rigid, stranded and flexible cables. Compact SPL-3 Wire Connectors, Electrical Connectors Internal electrolytic copper material, special surface plating to prevent oxidation , low resistivity and better conductive properties. Spring-clamp technology is reliable and wont fall off. Its a reusable connector. 3 in 3 output, each junction independent shrapnel, different wires managed separately, different diameters can be safely connected. Selection of connectors shell made of the best flame retardant insulation material With the advantages of a long service life, corrosion resistance, aging resistance, high pressure resistance, insulation and flame retardant. It can effectively prevent electrical leakage. Compact SPL-3 Wire Connectors, Electrical Connectors Open the wire case to 9-10mm. Push the orange lever 90 and connect the wires. Press the lever to close the clamp. Automatic Connection Terminals, Quick Cable Wire Connector Universal Connectors Fits Any Size Solid Copper Wire Self Connecting Terminals, Quick Cable Wire Connector Application: They work with most wire gauges normal household: ceiling fans, outlets, switches, cars, motorcycles, boats, speakers, lamps, electrical boxes, chandeliers, light switches, fan controls, and much more. Compact wire connectors SPL-3, Electrical connectors Conductor part material: electrolytic copper tin plating Clamping spring: high-alloy nickel-chrome steel Shell: Flame Retardant Plastic Note: This product is only suitable for indoor dry locations, please do not use it in damp locations, it does not does not have the function of waterproof and moisture-proof.