GB/T 22577-2025 Active National standards

GB/T 22577-2025 Class 1E cables for nuclear power generating stations—General requirements

GB/T 22577-2025 Class 1E cables for nuclear power generating stations—General requirements

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 22577-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Cables and their accessories
ICS Name: Cable
Publish Date: 2025-08-29
Implement Date: 2026-03-01
Pages: 28 pages

Scope

This document specifies the categories, general requirements, equipment appraisal rules, test methods, and required documents for Class 1E cables used in nuclear power stations.
This document applies to Class 1E cables used in nuclear power stations, including power cables, control cables, instrumentation (compensation) cables, coaxial cables, and other types. For the general requirements of other cables, please refer to this document for guidance.

Development Information

Word Count: 41 Thousand words Pages: 28 pages

Replace the following standards

Referenced Standards

GB/T 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test GB/T 2406.3-2022 Plastics—Determination of burning behaviour by oxygen index—Part 3:Elevated-temperature test GB/T 2900.10-2001 Electrotechnical vocabulary—Electric cables GB/T 2900.10-2013 Electrotechnical terminology—Electric cables GB/T 11026.1-2003 Electrical insulating materials-Properties of thermal endurance—Part 1:Ageing procedures and evaluation of test results GB/T 11026.1-2016 Electrical insulating materials—Thermal endurance properties—Part 1:Ageing procedures and evaluation of test results GB/T 11026.2-2000 Guide for the determination of thermal endurance properties of electrical insulating materials Part 2:Choice of test criteria GB/T 11026.2-2012 Electrical insulating materials—Thermal endurance properties—Part 2:Choice of test criteria GB/T 11026.4-1999 Guide for the determination of thermal endurance properties of electrical insulating materials—Part 4:Ageing ovens—Single-chamber ovens GB/T 11026.4-2012 Electrical insulating materials—Thermal endurance properties—Part 4:Ageing ovens—Single-chamber ovens GB/T 12706.2-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 2:Cables for rated voltages from 6 kV(Um=7.2 kV) up to 30 kV(Um=36 kV) GB/T 12706.3-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV(Um=1.2 kV)up to 35 kV(Um=40.5 kV)—Part 3:Cables for rated voltages of 35 kV(Um=40.5 kV) GB/T 12727-2023 Qualification of electrical equipment important to safety for nuclear power plants GB/T 17650.1-1998 Test on gases evolved during combustion of materials from cables Part 1:Determination of the amount of halogen acid gas GB/T 17650.1-2021 Test on gases evolved during combustion of materials from cables or optical fiber cables—Part 1:Determination of the halogen acid gas content GB/T 17650.2-1998 Test on gases evolved during combustion of materials from cables Part 2:Determination of degree of acidity of gases by measuring pH and conductivity GB/T 17650.2-2021 Test on gases evolved during combustion of materials from cables or optical fiber cables—Part 2:Determination of acidity (by pH measurement) and conductivity GB/T 18380.12-2022 Tests on electric and optical fibre cables under fire conditions—Part 12:Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 kW pre-mixed flame GB/T 18380.33-2022 Tests on electric and optical fibre cables under fire conditions—Part 33:Test for vertical flame spread of vertically-mounted bunched wires or cables—Category A GB/T 18380.34-2022 Tests on electric and optical fibre cables under fire conditions—Part 34:Test for vertical flame spread of vertically-mounted bunched wires or cables—Category B GB/T 18380.35-2022 Tests on electric and optical fibre cables under fire conditions—Part 35:Test for vertical flame spread of vertically-mountedbunched wires or cables—Category C GB/T 18380.36-2022 Tests on electric and optical fibre cables under fire conditions—Part 36:Test for vertical flame spread of vertically-mounted bunched wires or cables—Category D GB/T 26168.2-2018 Electrical insulating materials—Determination of the effects of ionizing radiation—Part 2:Procedures for irradiation and test JB/T 8137.1-1995 JB/T 8137.1-1995 - Specifications for the form and size of delivery racks for electric cables and wires JB/T 8137.1-2013 Wire and Cable Delivery Tray - Part 1: General requirements JB/T 8137.1-1999 JB/T 8137.1-1999 Electric wires and cables delivered on a plate - Part 1: General provisions JB/T 8137.2-1995 JB/T 8137.2-1995 wire and cable delivery disk technical requirements JB/T 8137.2-2013 Wiring Cable Delivery Tray - Part 2: Full Wooden Construction Delivery Tray (English) JB/T 8137.2-1999 Wiring Cable Delivery Tray - Part 2: Full Wooden Construction Delivery Tray JB/T 8137.3-2013 Wiring Cable Delivery Tray Part 3: Full Steelcorrugated Delivery Tray JB/T 8137.3-1999 Delivery tray for cables and wires - Part 3: Full steel corrugated structure delivery tray JB/T 8137.4-2013 Electric Cable and Wire Delivery Tray - Part 4: Steel Composite Structure Delivery Tray JB/T 8137.4-1999 Wiring Harness Delivery Vessel - Part 4: Steel and Composite Structure Delivery Vessels IEC 60684-2 IEC 60811-402 IEC 60811-403 IEC 60811-412 IEC 60811-501 IEC 60811-502 IEC 60811-504 IEC 60811-505 IEC 60811-506 IEC 60811-507 IEC 60811-508 IEC 60811-509

Related Standards

Contact Us