This Standards Publication sets forth product identification and bar coding techniques for standard copper and aluminum building wire and cable products. This standards publication also lists standard item identification numbers for building wire and cable products produced by multiple manufacturers on a repetitive basis. Numbers in the system covered in this publication are intended to be assigned to package quantities that have gained common usage in the industry. In addition to being utilized as the basis for bar coding@ the item identification numbers included herein are intended for use in electronic data interchange (EDl)@ and other business communications. The building wire and cable products covered by this standards publication utilize solid or stranded copper and/or aluminum conductors in standard packages for shipment direct to disiributor stock. Type MC cable shall be limited to cables employing conductor sizes 10 AWG or smaller@ with 4 conductors or less; for all other Type MC cables constructions refer to NEMA WC 60. Products whose identification numbers are listed in this publication are generally covered by National Electrical Code Articles 310@ 333@ 334@ 338 and 339 and described by the following standards: THHN@ THW@ THW-2@ THHW@THWN- 2 UL 83??Thermoplastic-lnsulated Wires and Cables XHHW@ XHHW-2@ RHH@ RHW@ RHW-2 UL 44??Rubber-insulated Wires and Cables NM-B@ NMC-B UL 719??Nonmetallic Sheathed Cables UF-B UL 493??Thermoplastic-Insulated Underground Feeder and Branch-Circuit Cables SE-U@ USE@ USE-2@ SE-R UL 854??Service Entrance Cable TFFN UL 62??Flexible Cord and Fixture Wire BARE SD ASTM Standards AC UL 4??Armored Cables MC UL 1569??Metal-Clad Cables