What should you check and usually replace if the cord cap is burned up?

When a cord cap is burned up, it indicates a significant issue with the connection between the power source and the device. In this case, checking and typically replacing the receptacle is crucial. The receptacle is the outlet where the cord cap plugs in, and if it is damaged or malfunctioning, it can cause overheating, leading to burn marks or other signs of electrical failure on the cord cap.

Replacing the receptacle ensures that the connection is safe and functional, reducing the risk of further damage or electrical hazards. If the receptacle is faulty, it may not provide a secure connection, which can lead to intermittent power, arcing, or additional wear on the cord cap, potentially resulting in further problems.

While other components, such as the outlet, wiring, or circuit panel, might also be inspected, the receptacle is primarily responsible for the immediate connection and is the most common cause of a burned-up cord cap. Addressing the receptacle addresses the root of the problem effectively.