What condition should electrical connections be in for optimal equipment performance?

For optimal equipment performance, electrical connections should be clean, secure, and free of corrosion. Clean connections ensure that the flow of electricity is not hindered by dirt, dust, or debris, which can create resistance and lead to inefficient operation or overheating. Secure connections are crucial as they prevent any interruptions in the electrical circuit, which could cause equipment malfunction or failure. Additionally, corrosion can greatly impair the performance of electrical connections by degrading the conductive surfaces, leading to higher resistance and potential overheating. By maintaining connections that are both secure and free from corrosion, the overall reliability and efficiency of the equipment are significantly enhanced, thereby ensuring safe and effective operation.