OT copper lug,open barrel cable terminal OT Type Open Barrel Copper Lug, National Standard Grade A Thickened Red Copper Cable Terminal, Round Hole Wire Connector for Battery & Electrical Wiring Product Description These OT open‑barrel copper lugs are manufactured from high‑quality thickened pure red copper, delivering excellent electrical conductivity second only to silver. Adopting pickling passivation surface treatment, the terminals resist oxidation and corrosion for long‑term stable service. Crimp connection is firm and reliable, high conductive efficiency, not easy to fall off. Compatible with both hard and soft wires: BV single‑core hard wire, RV & BVR multi‑stranded flexible cable. Wide current range from 3A up to 1000A, complete specifications for battery connection, cabinet wiring, power engineering and auto electrical applications. Use dedicated crimping pliers for optimal crimping performance. Available Models: OT‑3A, OT‑5A, OT‑10A, OT‑20A, OT‑30A, OT‑40A, OT‑50A, OT‑60A, OT‑80A, OT‑100A, OT‑150A, OT‑200A, OT‑250A, OT‑300A, OT‑400A, OT‑500A, OT‑600A, OT‑800A, OT‑1000A. Package quantity varies by model: 2pcs /5pcs /20pcs /50pcs /100pcs per pack. Specification Attribute Value Product Name OT Open‑Barrel Copper Lug Terminal Material Pure Red Copper, Thickened, Pickling Passivated Surface Type Open‑barrel ring cable lug, Round hole Current Range 3A‑1000A Compatible Wire BV single‑core hard wire, RV, BVR multi‑stranded soft wire Application Battery connection, power cabinet, electrical equipment, automotive wiring Feature High conductivity, anti‑oxidation, corrosion‑resistant, firm crimping Accessory Suggestion Match dedicated OT crimping pliers Google Product Category 211‑Electrical Wire Connectors & Terminals Weight Variable by model