How are Type UF cables characterized in terms of their covering?

• A. They have a metallic covering
• B. They have an integral covering of non-metallic material
• C. They are not covered
• D. They have an additional thermal insulation layer

Answer: (B)

Type UF cables are characterized by their integral covering of non-metallic material. This non-metallic jacket serves as both insulation and protection for the conductors inside the cable. It is designed to be used for underground feed applications and is suitable for wet locations, making it versatile in various installations, including those that require resistance to moisture. The integral covering provides necessary durability and ensures the safety and performance of the electrical system in which the cables are used. This covering is critical in maintaining the integrity of the wiring and protecting it from environmental factors.