The 200A Earth Clamp is a fundamental welding accessory engineered for the South African DIY, automotive, and light-fabrication sectors. Featuring a high-tension spring-loaded "crocodile" mechanism, it is the primary choice for operators using 140A to 200A inverter welders. This clamp ensures a low-resistance electrical return path from the workpiece to the welding machine, which is critical for preventing "arc-stutter," reducing spatter, and protecting the internal electronics of modern inverter power sources.
Key Performance Features
- High-Tension Steel Spring: Features a heavy-duty reinforced spring that provides a "bite-grip" on the workpiece, ensuring a secure connection even on slightly uneven or rusted surfaces.
- Large-Surface Copper/Brass Contact Jaws: Equipped with high-conductivity jaws (often connected by a flexible copper braided strap) to maximize current transfer and minimize heat buildup at the connection point.
- Ergonomic "Non-Slip" Grip: The handle is designed for easy one-handed operation, even when wearing heavy leather welding gauntlets, allowing for quick repositioning during fabrication.
- Robust Zinc-Plated Steel Frame: The body is treated with a corrosion-resistant finish to withstand the abrasive dust and high-humidity environments of South African workshops.
Ideal Applications
- Security Gate & Burglar Bar Fabrication: The industry standard for grounding 1.6mm to 2.5mm square tubing and palisade fencing frames.
- Automotive Body & Exhaust Repair: Perfect for providing a clean earth on car chassis, exhaust pipes, and thin-gauge panel work.
- Light Agricultural Maintenance: A reliable "bakkie-mounted" essential for on-site repairs to farm gates, trailers, and irrigation equipment.
- Home Workshop & DIY Projects: The go-to earth clamp for hobbyists using compact MIG, TIG, or MMA (Stick) inverter machines.
Product Benefits
- Stable Arc Ignition: By providing a consistent, low-resistance ground, this clamp ensures easier arc starting and a more manageable weld pool.
- Protects Sensitive Electronics: A solid earth prevents "stray voltage" from finding alternative paths through the welding machine's PCB or the vehicle's electrical system.
- Versatile "Wide-Jaw" Opening: Designed to clamp onto a variety of profiles, including angle iron, flat bar, and round tubing.
Pro Tip: For the best welding results, always grind a small "bright metal" spot on your workpiece where you intend to attach the earth clamp. Attaching the clamp over thick paint or heavy rust creates electrical resistance, which causes the clamp to run hot and can eventually melt the internal spring. If the Copper Braid inside the clamp becomes frayed or disconnected, replace the clamp immediately to avoid damaging your welding machine.



