BS EN IEC 60721-3-4-2019 Classification of environmental conditions Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations

BS EN IEC 60721-3-3-2019 Classification of environmental conditions Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations BS EN IEC 60721-3-2-2018 Classification of environmental conditions Part 3-2: Classification of groups of environmental parameters and their severities - Transportation and Handling BS EN IEC 60721-3-1-2018 Classification of environmental conditions Part 3-1: Classification of groups of environmental parameters and their severities - Storage IEC 60728-113-2018 Cable networks for television signals, sound signals and interactive services – Part 113: Optical systems for broadcast signal transmissions loaded with digital channels only BS EN IEC 60728-115-2022 Cable networks for television signals, sound signals and interactive services Part 115: In-building optical systems for broadcast signal transmissions BS EN IEC 60728-3-2018 Cable networks for television signals, sound signals and interactive services Part 3: Active wideband equipment for cable networks (TA 5)