UL has announced the release of a new edition of UL 183. This standard applies to “manufactured wiring systems.” The updated edition can be purchased on UL’s website.
“These requirements cover wiring systems for use in outdoor locations, field-installed wiring assemblies using off-site manufactured subassemblies for branch circuits, remote-control circuits, signaling circuits, and communication circuits in accessible areas. The products covered under this standard are to be installed in accordance with Article 604 of the National Electrical Code, ANSI/NFPA 70.”
*Description from the UL website.