Which component is crucial for ensuring tight electrical connections in high-current applications?

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The torque wrench is essential in high-current applications because it provides a means to apply a specific amount of torque to a connection, ensuring that it is tight and secure. Proper tightening is critical in high-current scenarios where loose connections can lead to increased resistance, overheating, and potentially dangerous failures. By using a torque wrench, an installer can follow manufacturer specifications to achieve the correct torque levels for various types of electrical connections, which is vital for maintaining system integrity and safety.

Other options, while useful in their own right, do not ensure the same level of precision in securing connections under high current. Electrical tape is generally used for insulation and not for making connections. Connector clamps can help hold wires together but do not provide a precise method of ensuring the necessary tightness for electrical performance. Wire nuts allow for wire connections but depend on the installer to twist them adequately; they do not offer the controlled tightening that a torque wrench does.

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