Constructed with soft-drawn copper, type THHN insulated conductors which are individually wrapped with a moisture-resistant, flame-retardant paper covering Interlocking steel armor is applied over the assembly A 16 AWG aluminum bond wire is placed inside the armor, runs longitudinally and is in intimate contact with the armor for its entire length General applications: dry locations only, branch, feeder, and service power distribution in commercial, industrial, institutional, and multi-residential buildings, power, lighting, control and signal circuits, concealed or exposed installations