Logical fallacies are errors in reasoning that can render an argument or a claim invalid, unsound, or weak. These fallacies can be intentional or unintentional, and they can be caused by ignorance, bias, or manipulation. They can affect any field of knowledge, including electrical engineering, and can have serious consequences for safety and performance. Examples of logical fallacies include hasty generalization (drawing a conclusion based on insufficient or unrepresentative evidence), false dilemma (presenting only two options as the only possible choices when there are more alternatives available), appeal to authority (relying on the opinion or expertise of someone who is not qualified or credible on the subject matter), and post hoc ergo propter hoc (assuming that because one event follows another, the first event caused the second event). For instance, assuming a circuit breaker is reliable because it worked once without testing it under different conditions or scenarios; claiming you have to either use a high-voltage source or a low-current source without considering other factors such as resistance, power, or efficiency; following the advice of a plumber on how to wire a generator without verifying the accuracy or validity of the information; and blaming a power outage on a faulty switch without checking for other possible causes such as a storm, a short circuit, or a surge.