The term "BX" typically refers to a type of electrical cable commonly used in residential and commercial settings. While there are no direct synonyms for this term, there are several related words that describe similar types of cables, including armored cables, metal-clad cables, and steel-sheathed cables. These types of cables are typically distinguished from other electrical cables by their metal jacketing, which provides added durability and protection from physical damage. While BX is a specific type of armored cable, these synonyms can be useful when discussing similar types of wiring and infrastructure in construction, engineering, and other related fields.