What type of protection is recommended for arc welders according to safety standards?

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Overcurrent protection is essential for arc welders to ensure safety and prevent equipment damage. This type of protection involves the use of devices that can detect excess current flowing through the system and then interrupt the flow. In the context of arc welding, this is crucial because when a fault occurs—such as a short circuit or an overload—the excessive current can lead to overheating of the welding equipment, potential fires, or damage to connected components.

Ensuring there is adequate overcurrent protection helps safeguard both the welder and the surrounding personnel from electrical hazards. Devices such as circuit breakers or fuses are commonly employed for this purpose, automatically shutting down the system when current exceeds safe levels, thus minimizing risks associated with electrical faults.

Other types of protection mentioned, while important in their own contexts, do not specifically address the immediate dangers associated with current overflow during welding operations.

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