Voice and data communication cabinets and accessories hold, store, and protect electronic equipment and devices from dust and impact, and keep items organized. Power distribution units have outlet ports that distribute power to devices connected to a network cabinet or rack. Voice and data communication cabinets and accessories create a space to store items and keep them neat and organized. Voice and data patch panels are used in cabinets and racks and have ports that connect telephone and data communication devices and equipment to network service. Rack-mounted instrument enclosures install in server racks to protect electronic equipment.