ringterminaler

Ringterminaler are a type of electrical terminal used to terminate a single conductor and connect it to a stud, bolt, or screw. The terminal combines a barrel that crimps onto the stripped wire with a ring-shaped contact that fits around a fastener, providing a secure, removable connection in power and signal circuits. They are widely used in automotive, industrial, and consumer electrical installations to link wires to power distribution points, battery posts, or equipment terminals.

Construction and variants: The barrel portion is designed for crimping with a dedicated tool. Ring terminals may be insulated or non-insulated. Insulated versions have a plastic or vinyl sleeve to protect the conductor and improve handling; non-insulated types expose bare metal. They are manufactured in a range of sizes to fit different wire gauges and stud diameters. The contact material is typically copper or copper alloy, often tin-plated for corrosion resistance.

Size and color coding: Terminals come in multiple sizes to accommodate different conductor cross-sections and fastener sizes. Insulation colors are commonly used to indicate approximate wire gauge ranges, with regional variations in coding. The inner ring diameter matches standard stud sizes, ensuring compatibility with common bolts and screws used in electrical assemblies.

Installation considerations: Proper crimping requires a suitable tool and the correct terminal for the wire gauge. The conductor should be fully seated in the barrel and the joint inspected for a solid crimp. The ring should lie flush around the fastener, and fasteners should be tightened to the recommended torque to maintain electrical continuity and mechanical security. In vibration-prone environments, additional measures may be taken to prevent loosening.

See also: Crimp terminal, electrical connector, automotive wiring.