Cable Lug for 50 mm² Conductor – 8 mm Mounting Hole, Tin-Plated Copper
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Detailed Description
Overview
This cable lug is designed to provide a secure termination for a 50 mm² (or equivalent 50 mm conductor) cable and connect it reliably to an 8 mm (M8) stud or bolt. It is constructed from annealed, high-conductivity copper, and coated with a tin finish to resist oxidation and maintain stable electrical contact under load.
Key Features & Benefits
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High Conductivity Copper Core — minimizes resistance and voltage drop.
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Tin Plating — enhances corrosion resistance and ensures reliable contact surface.
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Bell Mouth Entry — helps to guide cable strands smoothly and reduce stress at the entry. (Often included in 50/8 lugs) Superlec Direct+1
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Inspection / Window Hole — allows the installer to visually confirm the conductor is fully inserted before crimping. (Standard feature in many 50/8 lugs) Armoured Cable+1
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Seamless Tube / Robust Barrel Construction — ensures mechanical strength and uniform contact, resisting deformation under crimping stress.
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Wide Application — suitable for power distribution, switchgear, grounding, battery terminations, industrial wiring, and more.
Specifications
| Parameter | Typical / Suggested Value |
|---|---|
| Conductor (cable) size | 50 mm² (or matching 50 mm nominal cable) |
| Mounting hole / stud | 8 mm (M8) |
| Material | Annealed copper (≥ 99.9 % conductivity) Cabac |
| Finish / Coating | Tin plating / electro-tin |
| Entry design | Bell mouth / flared |
| Inspection feature | Window / inspection hole |
| Rated voltage | Up to ~ 1000 V for uninsulated types Electricpoint+1 |
| Typical dimensions (barrel length, internal diameter, etc.) | e.g. for T50-8: length ~ 37 mm, internal barrel diameter ~ 9.5 mm Kempston Controls |
Installation / Usage Guidelines
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Strip the insulation carefully, protecting the conductor strands.
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Insert the bare conductor fully into the lug barrel, verifying via the inspection window/hole.
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Use the correct crimping die/tool specified for 50 mm² lugs to apply a uniform crimp.
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Mount the lug onto the 8 mm stud/bolt using suitable washer and torque (do not over-tighten).
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Confirm mechanical stability and electrical continuity after installation.
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In corrosive or harsh environments, periodically inspect the connection even though tin plating offers protection.
Important Notes & Considerations
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Use matching crimp dies — improper crimping (too loose or too tight) compromises conductivity and reliability.
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Do not exceed torque limits on the M8 stud — excessive torque may deform the lug or damage the cable.
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In installations connecting dissimilar metals (copper lug to aluminium bus or bar), consider using a bimetallic transition lug to reduce galvanic corrosion.
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