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Multi-element metallic cables used in analogue and digital communication and control - Sectional specification for screened cables characterised up to 100 MHz. Work area and patch cord cables Ingestion-build-67170 Minimum list of relevant parameters1 Scope EN 5028822 is a sectional specification for screened cables, characterised from 1 MHz up to 100 MHz, to be used as work area cables to connect a telecommunications outlet to the terminal equipment and for patch cord cables to establish connections on a patch panel as defined in EN 50173. Work area and data centres cables may also be used as patch cord cables in any distributor of a generic building wiring system to interconnect with equipment