GB/T 20841-2025 Active
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
Abstract
This document applies to resistance heating cables used in low-temperature environments, such as heating living facilities and preventing ice formation. Heating cables and heating cable assemblies include components that are assembled in factories or on-site (at construction sites) in accordance with the manufacturer's instructions.
Naked conductors and conductors with protective conductors with a supply voltage equal to or less than 50 V are not included in the scope of this document.
Typical applications include, but are not limited to:
—— Heating devices installed inside or under surfaces;
—— Direct and stored heating;
—— Snow melting and anti-freeze protection for roofs, drains, and pipes, etc.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20841-2025 |
| CCS | Cables and their accessories |
| ICS | Cable |
| Implement Date | 2026-05-01 |