This box has a 4" (102mm) depth design and can accommodate two duplex power receptacles on one side. Power plate with duplex knockouts included with box. The communication plate will accept two communication adapters for up to 12 ports of activation. Lids can be rotated 180° for easy orientation. Gray lids are die-cast zinc construction. NOTE: For custom options consult factory. All boxes are sold with one power plate: 4" (102mm) deep boxes have plate with two power duplex receptacle KOs 5" (127mm) deep boxes have plate with four power duplex receptacle KOs. All communication plates sold separately.