★EASY TO USE - No tools needed, plug and play, greatly reduce wiring labor time. ★PRACTICAL - The voltage range of the connector is between 0.75 and 4 mm2. It is solid or fine copper wire, which is very convenient. ★maximum voltage / current - 400V / 4KV / 2.32A ★Dimensions-39mm18.6mm14.5mm ★SAFE - Selection of the best insulating nylon PA6.6, a flame retardant insulating material, which has a long service life, no corrosion, anti-aging, 4KV pressure and against electric shock. Product Description SPL-3 compact wire connectors, electrical connection block 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. Internal electrolytic copper material, special surface plating to prevent oxidation, low resistivity and better conductive properties.