GB/T 20841-2025 Active National standards

GB/T 20841-2025 Heating cables with a rated voltage up to and including 300/500 V for comfort heating and prevention of ice formation

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20841-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Cables and their accessories

ICS Name: Cable

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国电线电缆标准化技术委员会(SAC/TC 213)

Pages: 28 pages

Scope

本文件适用于低温环境下使用的电阻式加热电缆,如生活设施加热和防止结冰。加热电缆和加热电缆组件包含依照生产者说明的方法在工厂组装或者现场(工地)组装的组件单元。
供电电压等于或小于50 V的裸导体和带保护导体不包括在本文件的范围内。
典型应用包括但不限于:
——安装在表面内或表面下的加热装置;
——直接和储存加热;
——屋顶、排水沟和管道等的融雪和防冻保护。

Development Information

Drafting Units:

上海电缆研究所有限公司、上海国缆检测股份有限公司、上海电气集团腾恩驰科技(苏州)有限公司、科迈莱热控技术(上海)有限公司、安徽环瑞电热器材有限公司、浙江汉堡阁科技有限公司、远东电缆有限公司、中天耐丝有限公司、金杯电工衡阳电缆有限公司、浙江元通线缆制造有限公司、河北华通线缆集团股份有限公司、安徽宇测线缆质检技术有限公司

Drafting Persons:

倪勇、诸冉冉、薛杨、吴兴军、计成志、钟子豪、周锋、梁斌、胡少中、屠渭江、王怀安、夏知、陈诗琪、耿向前、刘华勇

Word Count: 43 Thousand words Pages: 28 pages

Replace the following standards

GB/T 20841-2007 Heating cables with a rated voltage of 300/500 V for comfort heating and prevention of ice formation

Referenced Standards

GB/T 16422.3-2022 Plastics—Methods of exposure to laboratory light sources—Part 3:Fluorescent UV lamps GB/T 32348.1-2015 Electrical resistance trace heating systems for industrial and commerci alapplications—Part 1:General and testing requirements IEC 60050-461 IEC 60228 IEC 60332-1-1 IEC 60332-1-2 IEC 60364-7-701 IEC 60364-7-753 IEC 60811-201 IEC 60811-202 IEC 60811-401 IEC 60811-501 IEC 60811-502 IEC 60811-503 IEC 60811-506 IEC 60811-507 IEC 60811-508 IEC 60811-509 IEC 62230