1. BS EN 61156-8. Multicore and symmetrical pair/quad cables for digital communications. Part 8. Symmetrical pair/quad cables with transmission characteristics up to 1 200 MHz. Work area wiring. Sectional specification (28th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗