BS IEC 61097-2-2021 Global maritime distress and safety system (GMDSS) Part 2: Cospas-Sarsat EPIRB - Emergency position indicating radio beacon operating on 406 MHz - Operational and performance requirements, methods of testing and required test results

BS IEC 61084-2-4-2017 Cable trunking systems and cable ducting systems for electrical installations Part 2-4: Particular requirements – Service poles and service posts BS IEC 61084-2-3-2017 Cable trunking systems and cable ducting systems for electrical installations Part 2-3: Particular requirements – Slotted cable trunking systems intended for installation in cabinets BS IEC 61084-2-2-2017 Cable trunking systems and cable ducting systems for electrical installations Part 2-2: Particular requirements – Cable trunking systems and cable ducting systems intended for mounting underfloor, flushfloor, or onfloor BS IEC 61156-1-4-2018 Multicore and symmetrical pair/quad cables for digital communications Part 1-4: Assessment of conductor heating in bundled cables due to the deployment of remote powering BS IEC 61156-10-2016 Multicore and symmetrical pair/quad cables for digital communications Part 10: Cables for cords with transmission characteristics up to 2 GHz - Sectional specification BS IEC 61156-11-2019 Multicore and symmetrical pair/quad cables for digital communications Part 11: Symmetrical single pair cables with transmission characteristics up to 600 MHz – Horizontal floor wiring – Sectional specification