Collection: Cable Lugs

A cable lug is a termination fitting crimped or bolted onto the end of a stranded conductor to create a secure, low-resistance bolted connection to a busbar, battery post, circuit breaker, or terminal block. They are essential in power distribution, automotive, marine, and solar installations. Browse the full selection in our Cable Lugs category.

You need to match two dimensions: the conductor barrel bore (in mm²) to your cable's cross-section, and the bolt hole diameter (in mm) to the stud or bolt size on your terminal. Most lugs are marked with both figures, for example "16 mm² / M8". Using the wrong size causes poor contact, heat build-up, and potential failure. Compare sizes across our Connectors & Terminals range.

No — joining copper lugs directly to aluminium conductors causes galvanic corrosion over time, leading to high resistance and potential fire risk. For aluminium cables, use aluminium lugs or bi-metallic (aluminium-to-copper) lugs that are specifically designed to prevent galvanic corrosion. Check our Cable Lugs listings for bi-metallic options.

You need a crimping tool (crimper) rated for the lug's conductor cross-section. For small lugs (up to 10 mm²), ratchet hand crimpers are common and affordable. For larger lugs (16 mm² and above), hydraulic crimpers are strongly recommended to achieve the pressure needed for a gas-tight joint. Never use pliers — they do not provide uniform compression. Find complementary accessories in our Power & Cables section.

Both are bolt-hole terminations, but cable lugs are heavier-duty fittings used for larger conductor cross-sections (typically 10 mm² and above) in power distribution applications. Ring terminals are smaller, often pre-insulated, and used for lighter-gauge wiring in electronics and automotive circuits. For larger power runs use lugs; for control wiring see our Ring Terminals range.

Yes — cable lugs are one of the most common termination methods in solar and off-grid battery installations. They provide the low-resistance, high-current connection needed between battery cells, busbars, and inverter terminals. Make sure to select lugs rated for the cable cross-section you are using and use a hydraulic crimper for sizes above 16 mm². Explore related products in our Connectors & Terminals category.

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