Should a plug be hot when you unplug it?

No, an appliance plug should never feel hot to the touch when you unplug it from a wall receptacle under normal operating conditions. While certain high-wattage heating appliances like space heaters, hair dryers, or toaster ovens can cause appliance prongs to feel slightly warm due to normal electrical resistance over extended use, a genuinely hot or burning-hot plug indicates a serious electrical fault. This overheating is typically caused by loose internal receptacle contact springs that fail to grip the prongs tightly, creating high resistance and micro-arcing. You can troubleshoot plug temperatures easily by checking prongs after short cycles. You can verify that your corrective action is successful when replacing a worn outlet or repairing the appliance cord eliminates excessive heat, ensuring plugs remain cool or only slightly warm during use.