Auto-close egress doors. Egress doors lock in position when slid open and automatically close around cables, reducing the egress opening to the smallest size possible. Improved hinge design. Provides greater durability while creating a more fluid, intuitive, opening and closing motion. Designed for a 6 in [152 mm] core hole and provides up to two and one-half (2-1/2) gangs of power, communication or A/V capability.