An electrical signal is a type of transmission that uses electrical energy to carry information. It is used in many devices and systems, including communication networks, medical equipment, and electronic devices. If you are writing about this topic, it might be useful to know some potential synonyms for the term electrical signal. Some possible options include "electric impulse," "electrical impulse," "electronic signal," "electric signal," and "digital signal." Other possible synonyms might include terms that describe specific types of electrical signals, such as "analog signal," "radio signal," or "optical signal." Depending on the context of your writing, you may find some of these synonyms more useful than others.