These requirements cover products which are molded of insulating material and are intended to cover the outlet slots of receptacles having 1-15R and 5-15R configurations in accordance with Wiring Devices-Dimensional Specifications, ANSI/NEMA WD6.1.2 These requirements do not cover insulating devices provided to cover the unused outlets of a multi-outlet cord connector employed on a general-use cord set. The requirements for these devices are contained in the Standard for Cord Sets and Power-Supply Cords, UL 817. 1.3 These requirements do not cover receptacle closures provided as part of a flush device cover plate. These devices are covered by the requirements in the Standard for Metallic Outlet Boxes, UL 514A, or in the Standard for Nonmetallic Outlet Boxes, Flush-Mounted Boxes, and Covers, UL 514C.

• Year of Declaration: 2018
• Reference: UL 2255: 2016 Second Edition
• Number of Pages: 13
• Code: GYS 353
• Version:
• ICS Number: 29.035