LifeSafety Power expansion enclosures provide additional space for use as a wiring gutter, additional battery space, or mounting of additional access control modules. EX series enclosures are available for horizontal (top/bottom) or vertical (left/ right side) mounting with Traditional, Unified, or ProWire E4 or E8 enclosures. Removable, hinged covers incluse a lock and tamper switch. Side enclosures are provided with removable shelves for up to 40AH sized batteries. Pre-punched knockouts are aligned with knockouts on the base enclosure for easy interconnection.