Question: what are the different types of electrical cables?
Answer: Coaxial cable – used for radio frequency signals, for example in cable television distribution systems.
Communications cable.
Direct-buried cable.
Flexible cables.
Heliax cable.
Non-metallic sheathed cable (or nonmetallic building wire, NM, NM-B)
Metallic sheathed cable (or armored cable, AC, or BX)