UL 635:2001

This Standard covers insulating bushings and accessories for insulating bushings used for the following purposes in electrical equipment:

1. Insulating bushings used for the protection of cables, flexible cords, and insulated wires, where routed through internal or external walls of electrical equipment.
2. Insulating bushings used to provide strain-relief for flexible cord and single conductor insulated wiring and to protect such cords or wiring.
3. Accessories to insulating bushings used to supplement the characteristics of the bushing.