What does 'rated current' indicate about an electrical device?

'Rated current' refers to the maximum safe current that an electrical device can carry without overheating or sustaining damage under normal operating conditions. This value is crucial because it helps ensure that the device operates efficiently and safely within its design parameters.

Using the rated current as a guideline protects the device from potential failures caused by excessive current flow, which could lead to overheating, insulation breakdown, or even a fire hazard. Operating a device continuously at or near its rated current signifies that it is functioning as intended, while exceeding this value can compromise its integrity and longevity.

Understanding this concept is fundamental for selecting the appropriate components for electrical systems to ensure safe and reliable performance.