GB/T 42740-2023
Safety guidelines for wires and cables for rail transit (English Version)

Standard No.

GB/T 42740-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 42740-2023

Introduction

Introduction to GB/T 42740-2023 Guideline for Safety of Electric Wires and Cables for Rail Transportation GB/T 42740-2023 is a Chinese national standard that provides guidelines for ensuring the safety of electric wires and cables used in rail transportation. This standard is applicable to various rail transportation systems, including urban rail transit, high-speed rail, and intercity rail. The purpose of GB/T 42740-2023 is to establish safety requirements and measures to prevent accidents related to electric wires and cables in rail transportation. It covers various aspects such as design, installation, operation, and maintenance of electric wires and cables. The standard specifies the technical requirements for various types of electric wires and cables used in rail transportation, including conductors, insulation, and sheathing materials. It also defines the testing methods and requirements for ensuring the electrical safety, mechanical strength, and heat resistance of these wires and cables. Additionally, GB/T 42740-2023 provides guidance on the selection and installation of electric wires and cables, as well as their routing and protection. It includes recommendations for the use of fire-resistant and low-smoke materials, as well as measures to prevent electromagnetic interference and ensure the electrical continuity of the system. Compliance with GB/T 42740-2023 is essential for ensuring the safe and reliable operation of rail transportation systems. By adhering to the guidelines outlined in this standard, railway operators can minimize the risk of electrical accidents, enhance passenger safety, and maintain the integrity of the rail infrastructure. In conclusion, GB/T 42740-2023 is a comprehensive guideline that sets forth safety requirements and measures for electric wires and cables used in rail transportation. It aims to promote the safe and efficient operation of rail systems, ensuring the protection of passengers, personnel, and infrastructure.

GB/T 42740-2023 history

• 2023 GB/T 42740-2023 Safety guidelines for wires and cables for rail transit