These requirements cover 14 - 4/0 AWG and 250 - 2000 kcmil sizes of 600-V, single-conductor, thermoplastic-insulated wires and cables for use in accordance with the National Electrical Code. Single conductors for use in armored cable and nonmetallic-sheathed cable, deep-well pump cables, and other multiple-conductor assemblies to which no type-letter designations are assigned are included in these requirements.