Red Line
October 26, 2020
UL Red Line
Published Date: October 26, 2020
Last Revision: July 31, 2025
ANSI Approved: October 14, 2020
Scope
001830-000000-0000001 Scope
1.1 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.